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source: tags/terminal-6.x/ARBDB/adlang1.cxx

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Last change on this file was 12267, checked in by westram, 12 years ago
full update from 'trunk' into 'rc' because i was (nearly) only fixing bugs in the last 5 weeks adds: log:branches/fix@11985,11990:11997,12008:12013,12023:12042,12049:12053,12058:12137,12147:12156 log:branches/gcc@12076:12079 log:branches/tree@12004:12019,12116:12120 log:trunk@11971:11972,11974:11980,11982:11989,11991:12260
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 89.2 KB

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1	// =============================================================== //
2	// //
3	// File : adlang1.cxx //
4	// Purpose : //
5	// //
6	// Institute of Microbiology (Technical University Munich) //
7	// http://www.arb-home.de/ //
8	// //
9	// =============================================================== //
10
11	#include "gb_aci.h"
12	#include "gb_key.h"
13	#include "gb_localdata.h"
14
15	#include <adGene.h>
16	#include <ad_cb.h>
17
18	#include <arb_defs.h>
19	#include <arb_strbuf.h>
20	#include <arb_file.h>
21	#include <aw_awar_defs.hxx>
22
23	#include <cctype>
24	#include <algorithm>
25
26	// hook for 'export_sequence'
27
28	static gb_export_sequence_cb get_export_sequence = 0;
29
30	NOT4PERL void GB_set_export_sequence_hook(gb_export_sequence_cb escb) {
31	gb_assert(!get_export_sequence \|\| !escb); // avoid unwanted overwrite
32	get_export_sequence = escb;
33	}
34
35	// global ACI/SRT debug switch
36	static int trace = 0;
37
38	void GB_set_ACISRT_trace(int enable) { trace = enable; }
39	int GB_get_ACISRT_trace() { return trace; }
40
41
42	// export stream
43
44	#define PASS_2_OUT(args,s) (args)->output.insert(s)
45	#define COPY_2_OUT(args,s) PASS_2_OUT(args, strdup(s))
46	#define IN_2_OUT(args,i) PASS_2_OUT(args, args->input.get_smart(i))
47	#define PARAM_2_OUT(args,i) PASS_2_OUT(args, args->param.get_smart(i))
48
49	// ----------------------------
50	// Parameter functions
51
52	struct gbl_param {
53	gbl_param *next;
54	GB_TYPES type; // type of variable
55	void *varaddr; // address of variable where value gets stored
56	const char *param_name; // parameter name (e.g. 'include=')
57	const char *help_text; // help text for parameter
58	};
59
60	#define GBL_BEGIN_PARAMS gbl_param *params = 0
61
62	static void gbl_new_param(gbl_param *pp, GB_TYPES type, void vaddr, const char param_name, const char help_text) {
63	gbl_param gblp = (gbl_param )GB_calloc(1, sizeof(gbl_param));
64
65	gblp->next = *pp;
66	*pp = gblp;
67
68	gblp->type = type;
69	gblp->varaddr = vaddr;
70	gblp->param_name = param_name;
71	gblp->help_text = help_text;
72	}
73
74	typedef const char *String;
75	typedef int bit;
76	typedef unsigned int uint;
77
78	static int gbl_param_int(const char param_name, int def, const char help_text, gbl_param *pp, int vaddr) {
79	gbl_new_param(pp, GB_INT, vaddr, param_name, help_text);
80	return def;
81	}
82
83	static char gbl_param_char(const char param_name, char def, const char help_text, gbl_param *pp, char vaddr) {
84	gbl_new_param(pp, GB_BYTE, vaddr, param_name, help_text);
85	return def;
86	}
87
88	static uint gbl_param_uint(const char param_name, uint def, const char help_text, gbl_param *pp, uint vaddr) {
89	gbl_new_param(pp, GB_INT, vaddr, param_name, help_text);
90	return def;
91	}
92
93	static const char gbl_param_String(const char param_name, const char def, const char help_text, gbl_param *pp, String vaddr) {
94	gbl_new_param(pp, GB_STRING, vaddr, param_name, help_text);
95	return def;
96	}
97
98	static int gbl_param_bit(const char param_name, int def, const char help_text, gbl_param *pp, bit vaddr) {
99	gbl_new_param(pp, GB_BIT, vaddr, param_name, help_text);
100	return def;
101	}
102
103	#define GBL_PARAM_TYPE(type, var, param_name, def, help_text) type var = gbl_param_##type(param_name, def, help_text, &params, &var)
104	#define GBL_STRUCT_PARAM_TYPE(type, strct, member, param_name, def, help_text) strct.member = gbl_param_##type(param_name, def, help_text, &params, &strct.member)
105
106	// use PARAM_IF for parameters whose existance depends on condition
107	#define PARAM_IF(cond,param) ((cond) ? (param) : NULL)
108
109	#define GBL_PARAM_INT(var, param_name, def, help_text) GBL_PARAM_TYPE(int, var, param_name, def, help_text)
110	#define GBL_PARAM_CHAR(var, param_name, def, help_text) GBL_PARAM_TYPE(char, var, param_name, def, help_text)
111	#define GBL_PARAM_UINT(var, param_name, def, help_text) GBL_PARAM_TYPE(uint, var, param_name, def, help_text)
112	#define GBL_PARAM_STRING(var, param_name, def, help_text) GBL_PARAM_TYPE(String, var, param_name, def, help_text)
113	#define GBL_PARAM_BIT(var, param_name, def, help_text) GBL_PARAM_TYPE(bit, var, param_name, def, help_text)
114
115	#define GBL_STRUCT_PARAM_INT(strct, member, param_name, def, help_text) GBL_STRUCT_PARAM_TYPE(int, strct, member, param_name, def, help_text)
116	#define GBL_STRUCT_PARAM_CHAR(strct, member, param_name, def, help_text) GBL_STRUCT_PARAM_TYPE(char, strct, member, param_name, def, help_text)
117	#define GBL_STRUCT_PARAM_UINT(strct, member, param_name, def, help_text) GBL_STRUCT_PARAM_TYPE(uint, strct, member, param_name, def, help_text)
118	#define GBL_STRUCT_PARAM_STRING(strct, member, param_name, def, help_text) GBL_STRUCT_PARAM_TYPE(String, strct, member, param_name, def, help_text)
119	#define GBL_STRUCT_PARAM_BIT(strct, member, param_name, def, help_text) GBL_STRUCT_PARAM_TYPE(bit, strct, member, param_name, def, help_text)
120
121	#define GBL_TRACE_PARAMS(args) \
122	do { \
123	GB_ERROR def_error = \
124	trace_params((args)->param, params, (args)->command); \
125	if (def_error) { GBL_END_PARAMS; return def_error; } \
126	} while(0)
127
128	#define GBL_END_PARAMS \
129	do { \
130	gbl_param *_gblp; \
131	while (params) { \
132	_gblp = params; \
133	params = params->next; \
134	free(_gblp); \
135	} \
136	} while (0)
137
138	#define GBL_CHECK_FREE_PARAM(nr, cnt) \
139	do { \
140	if ((nr)+(cnt) >= GBL_MAX_ARGUMENTS) { \
141	/* gb_assert(0); */ \
142	return "max. parameters exceeded"; \
143	} \
144	} while (0)
145
146	#if defined(WARN_TODO)
147	#warning remove GBL_MAX_ARGUMENTS - instead allocate dynamic
148	#endif
149
150	static GB_ERROR trace_params(const GBL_streams& param, gbl_param ppara, const char com) {
151	GB_ERROR error = 0;
152	int i;
153
154	int argc = param.size();
155	for (i=0; i<argc; i++) {
156	gbl_param *para;
157	const char *argument = param.get(i);
158
159	for (para = ppara; para && !error; para = para->next) {
160	if (para->param_name) { // NULL means param is inactive (see PARAM_IF)
161	int len = strlen(para->param_name);
162
163	if (strncmp(argument, para->param_name, len) == 0) {
164	const char *value = argument+len; // set to start of value
165
166	if (para->type == GB_BIT) {
167	// GB_BIT is special cause param_name does NOT contain trailing '='
168
169	if (!value[0]) { // only 'name' -> handle like 'name=1'
170	;
171	}
172	else if (value[0] == '=') {
173	value++;
174	}
175	}
176
177	switch (para->type) {
178	case GB_STRING:
179	(const char *)para->varaddr = value;
180	break;
181
182	case GB_INT:
183	STATIC_ASSERT(sizeof(int) == sizeof(uint)); // assumed by GBL_PARAM_UINT
184	(int )para->varaddr = atoi(value);
185	break;
186
187	case GB_BIT:
188	// 'param=' is same as 'param' or 'param=1' (historical reason, don't change)
189	(int )para->varaddr = (value[0] ? atoi(value) : 1);
190	break;
191
192	case GB_BYTE:
193	(char )para->varaddr = *value; // this may use the terminal zero-byte (e.g. for p1 in 'p0=0,p1=,p2=2' )
194	if (value[0] && value[1]) { // found at least 2 chars
195	GB_warningf("Only one character expected in value '%s' of param '%s' - rest is ignored", value, para->param_name);
196	}
197	break;
198
199	default:
200	gb_assert(0);
201	error = GBS_global_string("Parameter '%s': Unknown type %i (internal error)", para->param_name, para->type);
202	break;
203	}
204	break; // accept parameter
205	}
206	}
207	}
208
209	if (!error && !para) { // no parameter found for argument
210	int pcount = 0;
211	gbl_param **params;
212	int k;
213	char *res;
214	GBS_strstruct *str = GBS_stropen(1000);
215	GB_ERROR err;
216
217
218	for (para = ppara; para; para = para->next) pcount++;
219	params = (gbl_param *)GB_calloc(sizeof(void ), pcount);
220	for (k = 0, para = ppara; para; para = para->next) params[k++] = para;
221
222
223	for (pcount--; pcount>=0; pcount--) {
224	para = params[pcount];
225	if (para->param_name) {
226	GBS_strcat(str, " ");
227	GBS_strcat(str, para->param_name);
228	switch (para->type) {
229	case GB_STRING: GBS_strcat(str, "STRING"); break;
230	case GB_INT: GBS_strcat(str, "INT"); break;
231	case GB_FLOAT: GBS_strcat(str, "FLOAT"); break;
232	case GB_BYTE: GBS_strcat(str, "CHAR"); break;
233	case GB_BIT: GBS_strcat(str, " "); break;
234	default: gb_assert (0); GBS_strcat(str, "????"); break;
235	}
236	GBS_strcat(str, "\t\t;");
237	GBS_strcat(str, para->help_text);
238	GBS_strcat(str, "\n");
239	}
240	}
241	freenull(params);
242	res = GBS_strclose(str);
243	err = GB_export_errorf("Unknown Parameter '%s' in command '%s'\n PARAMETERS:\n%s", argument, com, res);
244	free(res);
245	return err;
246	}
247	}
248
249	return error;
250	}
251
252	inline char interpret_subcommand(const GBL_reference& ref, const char input, const char *command) {
253	return GB_command_interpreter(ref.get_main(), input, command, ref.get_ref(), ref.get_tree_name());
254	}
255
256	// --------------------------------
257	// parameter/stream checks
258
259	inline GB_ERROR check_no_parameter(GBL_command_arguments *args) {
260	if (args->param.size() == 0) return NULL;
261	return GBS_global_string("syntax: %s (no parameters)", args->command);
262	}
263	inline GB_ERROR check_parameters(GBL_command_arguments args, int expected, const char parameterList) {
264	if (args->param.size() == expected) return NULL;
265	return GBS_global_string("syntax: %s(%s)", args->command, parameterList);
266	}
267	inline GB_ERROR check_optional_parameters(GBL_command_arguments args, int fix, const char fixParam, int opt, const char *optParam, bool opt_trailing = true) {
268	int params = args->param.size();
269	if (params >= fix && params <= (fix+opt)) return NULL;
270	if (!fix) return GBS_global_string("syntax: %s[(%s)]", args->command, optParam);
271	if (opt_trailing) return GBS_global_string("syntax: %s(%s[,%s])", args->command, fixParam, optParam);
272	return GBS_global_string("syntax: %s([%s,]%s)", args->command, optParam, fixParam);
273	}
274
275	inline GB_ERROR check_valid_index(int number, const char *what, int min, int max) {
276	if (number >= min && number <= max) return NULL;
277	return GBS_global_string("Illegal %s number '%i' (allowed [%i..%i])", what, number, min, max);
278	}
279	inline GB_ERROR check_valid_stream_index(GBL_command_arguments *args, int number) { return check_valid_index(number, "stream", 1, args->input.size()); }
280	inline GB_ERROR check_valid_param_index (GBL_command_arguments *args, int number) { return check_valid_index(number, "param", 0, args->param.size()-1); }
281
282	#define EXPECT_NO_PARAM(args) do { \
283	GB_ERROR perr = check_no_parameter(args); \
284	if (perr) return perr; \
285	} while(0)
286
287	#define EXPECT_PARAMS(args,count,help) do { \
288	GB_ERROR perr = check_parameters(args, count, help); \
289	if (perr) return perr; \
290	} while(0)
291
292	#define EXPECT_OPTIONAL_PARAMS(args,fixcount,fixhelp,optcount,opthelp) do { \
293	GB_ERROR perr = check_optional_parameters(args, fixcount, fixhelp, optcount, opthelp); \
294	if (perr) return perr; \
295	} while(0)
296
297	#define EXPECT_LEGAL_STREAM_INDEX(args,number) do { \
298	GB_ERROR serr = check_valid_stream_index(args, number); \
299	if (serr) return serr; \
300	} while(0)
301
302	#define COMMAND_DROPS_INPUT_STREAMS(args) do { \
303	if (trace && args->input.size()>0) { \
304	if (args->input.size()>1 \|\| args->input.get(0)[0]) { \
305	printf("Warning: Dropped %i input streams\n", \
306	args->input.size()); \
307	} \
308	} \
309	} while(0)
310
311	// -------------------------
312	// String functions
313
314	static int gbl_stricmp(const char s1, const char s2) {
315	// case insensitive strcmp
316	int i;
317	for (i = 0; ; ++i) {
318	char c1 = tolower(s1[i]);
319	char c2 = tolower(s2[i]);
320
321	if (c1 == c2) {
322	if (!c1) break; // equal strings
323	}
324	else {
325	if (c1<c2) return -1;
326	return 1;
327	}
328	}
329	return 0;
330	}
331	static int gbl_strincmp(const char s1, const char s2, int size2) {
332	// case insensitive strcmp
333	int i;
334	for (i = 0; i<size2; ++i) {
335	char c1 = tolower(s1[i]);
336	char c2 = tolower(s2[i]);
337
338	if (c1 == c2) {
339	if (!c1) break; // equal strings
340	}
341	else {
342	if (c1<c2) return -1;
343	return 1;
344	}
345	}
346	return 0;
347	}
348	static const char gbl_stristr(const char haystack, const char *needle) {
349	// case insensitive strstr
350	const char *hp = haystack;
351	char c1 = toupper(needle[0]);
352	char c2 = tolower(c1);
353	int needle_size = strlen(needle);
354
355	if (c1 == c2) {
356	hp = strchr(hp, c1);
357	while (hp) {
358	if (gbl_strincmp(hp, needle, needle_size) == 0) return hp;
359	hp = strchr(hp+1, c1);
360	}
361	}
362	else {
363	while (hp) {
364	const char *h1 = strchr(hp, c1);
365	const char *h2 = strchr(hp, c2);
366
367	if (h1 && h2) {
368	if (h1<h2) {
369	if (gbl_strincmp(h1, needle, needle_size) == 0) return h1;
370	hp = h1+1;
371	}
372	else {
373	gb_assert(h1>h2);
374	if (gbl_strincmp(h2, needle, needle_size) == 0) return h2;
375	hp = h2+1;
376	}
377	}
378	else {
379	if (h1) { hp = h1; }
380	else if (h2) { hp = h2; c1 = c2; }
381	else { hp = 0; }
382
383	while (hp) {
384	if (gbl_strincmp(hp, needle, needle_size) == 0) return hp;
385	hp = strchr(hp+1, c1);
386	}
387	}
388	}
389	}
390	return 0;
391	}
392
393	inline int approve_pos(int pos, int len) { return pos<0 ? (-pos<len ? len+pos : 0) : pos; }
394
395	static GB_ERROR gbl_mid_streams(const GBL_streams& arg_input, GBL_streams& arg_out, int start, int end) {
396	// used as well to copy all streams (e.g. by 'dd')
397	for (int i=0; i<arg_input.size(); i++) {
398	const char *p = arg_input.get(i);
399	int len = strlen(p);
400
401	int s = approve_pos(start, len);
402	int e = approve_pos(end, len);
403
404	char *res;
405	if (s >= len \|\| e<s) {
406	res = strdup("");
407	}
408	else {
409	gb_assert(s >= 0);
410	res = GB_strpartdup(p+s, p+e);
411	}
412	arg_out.insert(res);
413	}
414	return 0;
415	}
416
417	static GB_ERROR gbl_trace(GBL_command_arguments *args) {
418	int tmp_trace;
419
420	EXPECT_PARAMS(args, 1, "0\|1");
421
422	tmp_trace = atoi(args->param.get(0));
423	if (tmp_trace<0 \|\| tmp_trace>1) return GBS_global_string("Illegal value %i to trace", tmp_trace);
424
425	if (tmp_trace != GB_get_ACISRT_trace()) {
426	printf("* %sctivated ACI trace *\n", tmp_trace ? "A" : "De-a");
427	GB_set_ACISRT_trace(tmp_trace);
428	}
429
430	return gbl_mid_streams(args->input, args->output, 0, -1); // copy all streams
431	}
432
433	/* ---------------------------------------------------------------------------------------
434	* Binary operators work on pairs of values.
435	* Three different operational modes are implemented for all binary operators:
436	*
437	* 1. inputstreams\|operator
438	*
439	* The number of inputstreams has to be even and the operator will be
440	* applied to pairs of them.
441	*
442	* Example : a;b;c;d;e;f \| plus
443	* Result : a+b;c+d;e+f
444	*
445	* 2. inputstreams\|operator(x)
446	*
447	* The number of inputstreams has to be at least 1.
448	* The operator is applied to each inputstream.
449	*
450	* Example : a;b;c \| plus(d)
451	* Result : a+d;b+d;c+d
452	*
453	* 3. operator(x, y)
454	*
455	* @@@ this decription does not match behavior!
456	* @@@ check description in helpfile as well
457	*
458	* Inputstreams will be ignored and the operator is applied
459	* to the arguments
460	*
461	* Example : a;b \| plus(c,d)
462	* Result : c+d
463	*/
464
465	typedef char* (gbl_binary_operator)(const char arg1, const char arg2, void client_data);
466
467	static GB_ERROR gbl_apply_binary_operator(GBL_command_arguments args, gbl_binary_operator op, void client_data) {
468	GB_ERROR error = 0;
469	switch (args->param.size()) {
470	case 0:
471	if (args->input.size() == 0) error = "Expect at least two input streams if called with 0 parameters";
472	else if (args->input.size()%2) error = "Expect an even number of input streams if called with 0 parameters";
473	else {
474	int inputpairs = args->input.size()/2;
475	int i;
476	for (i = 0; i<inputpairs; ++i) {
477	PASS_2_OUT(args, op(args->input.get(i2), args->input.get(i2+1), client_data));
478	}
479	}
480	break;
481
482	case 1:
483	if (args->input.size() == 0) error = "Expect at least one input stream if called with 1 parameter";
484	else {
485	int i;
486	const char *argument = args->param.get(0);
487	for (i = 0; i<args->input.size(); ++i) {
488	PASS_2_OUT(args, op(args->input.get(i), argument, client_data));
489	}
490	}
491	break;
492
493	case 2:
494	for (int i = 0; i<args->input.size(); ++i) {
495	char result1 = interpret_subcommand(args, args->input.get(i), args->param.get(0));
496	if (!result1) error = GB_await_error();
497	else {
498	char result2 = interpret_subcommand(args, args->input.get(i), args->param.get(1));
499	if (!result2) error = GB_await_error();
500	else {
501	PASS_2_OUT(args, op(result1, result2, client_data));
502	free(result2);
503	}
504	free(result1);
505	}
506	}
507	break;
508
509	default:
510	error = check_optional_parameters(args, 0, NULL, 2, "Expr1[,Expr2]");
511	break;
512	}
513
514	return error;
515	}
516
517	// --------------------------------
518	// escape/unescape strings
519
520	static char unEscapeString(const char escapedString) {
521	// replaces all \x by x
522	char *result = nulldup(escapedString);
523	char *to = result;
524	char *from = result;
525
526	while (1) {
527	char c = *from++;
528	if (!c) break;
529
530	if (c=='\\') {
531	to++ = from++;
532	}
533	else {
534	*to++ = c;
535	}
536	}
537	*to = 0;
538	return result;
539	}
540	static char escapeString(const char unescapedString) {
541	// replaces all '\' and '"' by '\\' and '\"'
542	int len = strlen(unescapedString);
543	char result = (char)malloc(2*len+1);
544	char *to = result;
545	const char *from = unescapedString;
546
547	while (1) {
548	char c = *from++;
549	if (!c) break;
550
551	if (c=='\\' \|\| c == '\"') {
552	*to++ = '\\';
553	*to++ = c;
554	}
555	else {
556	*to++ = c;
557	}
558	}
559	*to = 0;
560	return result;
561	}
562
563	// ---------------------------------
564	// the commands themselves:
565
566	static GB_ERROR gbl_quote(GBL_command_arguments *args) {
567	EXPECT_NO_PARAM(args);
568
569	for (int i=0; i<args->input.size(); i++) {
570	char *quoted = GBS_global_string_copy("\"%s\"", args->input.get(i));
571	PASS_2_OUT(args, quoted);
572	}
573	return NULL;
574	}
575	static GB_ERROR gbl_unquote(GBL_command_arguments *args) {
576	EXPECT_NO_PARAM(args);
577
578	for (int i=0; i<args->input.size(); i++) {
579	const char *str = args->input.get(i);
580	int len = strlen(str);
581
582	if (str[0] == '\"' && str[len-1] == '\"') {
583	PASS_2_OUT(args, GB_strpartdup(str+1, str+len-2));
584	}
585	else {
586	IN_2_OUT(args, i);
587	}
588	}
589	return NULL;
590	}
591
592	static GB_ERROR gbl_escape(GBL_command_arguments *args) {
593	EXPECT_NO_PARAM(args);
594
595	for (int i=0; i<args->input.size(); i++) {
596	char *escaped = escapeString(args->input.get(i));
597	PASS_2_OUT(args, escaped);
598	}
599	return NULL;
600	}
601	static GB_ERROR gbl_unescape(GBL_command_arguments *args) {
602	EXPECT_NO_PARAM(args);
603
604	for (int i=0; i<args->input.size(); i++) {
605	char *unescaped = unEscapeString(args->input.get(i));
606	PASS_2_OUT(args, unescaped);
607	}
608	return NULL;
609	}
610
611	static GB_ERROR gbl_command(GBL_command_arguments *args) {
612	EXPECT_PARAMS(args, 1, "\"ACI command\"");
613
614	GB_ERROR error = NULL;
615	char *command = unEscapeString(args->param.get(0));
616	#if defined(DEBUG)
617	printf("executing command '%s'\n", command);
618	#endif
619
620	for (int i=0; i<args->input.size() && !error; i++) {
621	char result = interpret_subcommand(args, args->input.get(i), command);
622	if (!result) error = GB_await_error();
623	else PASS_2_OUT(args, result);
624	}
625	free(command);
626	return error;
627	}
628
629	static GB_ERROR gbl_eval(GBL_command_arguments *args) {
630	EXPECT_PARAMS(args, 1, "\"expression evaluating to ACI command\"");
631
632	GB_ERROR error = NULL;
633	char *to_eval = unEscapeString(args->param.get(0));
634	char command = interpret_subcommand(args, "", to_eval); // evaluate independent
635
636	if (!command) error = GB_await_error();
637	else {
638	if (GB_get_ACISRT_trace()) {
639	printf("evaluating '%s'\n", to_eval);
640	printf("executing '%s'\n", command);
641	}
642
643	for (int i=0; i<args->input.size() && !error; i++) {
644	char result = interpret_subcommand(args, args->input.get(i), command);
645	if (!result) error = GB_await_error();
646	else PASS_2_OUT(args, result);
647	}
648	free(command);
649	}
650	free(to_eval);
651	return error;
652	}
653
654	class DefinedCommands : virtual Noncopyable {
655	GB_HASH *cmds;
656	public:
657	DefinedCommands() { cmds = GBS_create_dynaval_hash(100, GB_MIND_CASE, GBS_dynaval_free); }
658	~DefinedCommands() { GBS_free_hash(cmds); }
659
660	void set(const char name, char cmd) { GBS_dynaval_free(GBS_write_hash(cmds, name, (long)cmd)); } // takes ownership of 'cmd'!
661	const char get(const char name) const { return (const char *)GBS_read_hash(cmds, name); }
662	};
663
664	static DefinedCommands defined_commands;
665
666	static GB_ERROR gbl_define(GBL_command_arguments *args) {
667	COMMAND_DROPS_INPUT_STREAMS(args);
668	EXPECT_PARAMS(args, 2, "name, \"ACI command\"");
669
670	const char *name = args->param.get(0);
671	char *cmd = unEscapeString(args->param.get(1));
672
673	defined_commands.set(name, cmd);
674	if (GB_get_ACISRT_trace()) printf("defining command '%s'='%s'\n", name, cmd);
675	return NULL;
676	}
677
678	static GB_ERROR gbl_do(GBL_command_arguments *args) {
679	EXPECT_PARAMS(args, 1, "definedCommandName");
680
681	GB_ERROR error = 0;
682	const char *name = args->param.get(0);
683	const char *cmd = defined_commands.get(name);
684
685	if (!cmd) {
686	error = GBS_global_string("Can't do undefined command '%s' - use define(%s, ...) first", name, name);
687	}
688	else {
689	if (GB_get_ACISRT_trace()) {
690	printf("executing defined command '%s'='%s' on %i streams\n", name, cmd, args->input.size());
691	}
692
693	for (int i=0; i<args->input.size() && !error; i++) {
694	char result = interpret_subcommand(args, args->input.get(i), cmd);
695	if (!result) error = GB_await_error();
696	else PASS_2_OUT(args, result);
697	}
698	}
699	return error;
700	}
701
702	static GB_ERROR gbl_streams(GBL_command_arguments *args) {
703	EXPECT_NO_PARAM(args);
704	PASS_2_OUT(args, GBS_global_string_copy("%i", args->input.size()));
705	return 0;
706	}
707
708	static GB_ERROR gbl_origin(GBL_command_arguments *args) {
709	EXPECT_PARAMS(args, 1, "\"ACI command\"");
710
711	GB_ERROR error = NULL;
712	if (!GEN_is_pseudo_gene_species(args->get_ref())) {
713	error = GBS_global_string("'%s' applies to gene-species only", args->command);
714	}
715	else {
716	GBDATA *gb_origin = NULL;
717	if (strcmp(args->command, "origin_organism") == 0) {
718	gb_origin = GEN_find_origin_organism(args->get_ref(), 0);
719	}
720	else {
721	gb_assert(strcmp(args->command, "origin_gene") == 0);
722	gb_origin = GEN_find_origin_gene(args->get_ref(), 0);
723	}
724
725	if (!error && !gb_origin) error = GB_await_error();
726
727	if (!error) {
728	char *command = unEscapeString(args->param.get(0));
729	GBL_reference ref(gb_origin, args->get_tree_name()); // refer to gb_origin for subcommands
730
731	for (int i=0; i<args->input.size() && !error; i++) {
732	char *result = interpret_subcommand(ref, args->input.get(i), command);
733	if (!result) error = GB_await_error();
734	else PASS_2_OUT(args, result);
735	}
736
737	free(command);
738	}
739	}
740
741	return error;
742	}
743
744	class Tab {
745	bool tab[256];
746	public:
747	Tab(bool take, const char *invert) {
748	bool init = !take;
749	for (int i = 0; i<256; ++i) tab[i] = init;
750	for (int i = 0; invert[i]; ++i) tab[safeCharIndex(invert[i])] = take;
751	}
752	bool operator[](int i) const { return tab[i]; }
753	};
754
755	inline GB_ERROR count_by_tab(GBL_command_arguments *args, const Tab& tab) {
756	for (int i=0; i<args->input.size(); ++i) {
757	long sum = 0; // count frequencies
758	const char *p = args->input.get(i);
759
760	while (p) sum += tab[safeCharIndex((p++))];
761	PASS_2_OUT(args, GBS_global_string_copy("%li", sum));
762	}
763	return NULL;
764	}
765	inline GB_ERROR remove_by_tab(GBL_command_arguments *args, const Tab& tab) {
766	for (int i=0; i<args->input.size(); ++i) {
767	GBS_strstruct *strstruct = GBS_stropen(1000);
768	for (const char p = args->input.get(i); p; p++) {
769	if (!tab[(unsigned int)*p]) {
770	GBS_chrcat(strstruct, *p);
771	}
772	}
773	PASS_2_OUT(args, GBS_strclose(strstruct));
774	}
775	return NULL;
776	}
777
778	static GB_ERROR gbl_count(GBL_command_arguments *args) {
779	EXPECT_PARAMS(args, 1, "\"characters to count\"");
780	return count_by_tab(args, Tab(true, args->param.get(0)));
781	}
782	static GB_ERROR gbl_len(GBL_command_arguments *args) {
783	EXPECT_OPTIONAL_PARAMS(args, 0, NULL, 1, "\"characters not to count\"");
784	const char *exclude = args->param.size() ? args->param.get(0) : "";
785	return count_by_tab(args, Tab(false, exclude));
786	}
787	static GB_ERROR gbl_remove(GBL_command_arguments *args) {
788	EXPECT_PARAMS(args, 1, "\"characters to remove\"");
789	return remove_by_tab(args, Tab(true, args->param.get(0)));
790	}
791	static GB_ERROR gbl_keep(GBL_command_arguments *args) {
792	EXPECT_PARAMS(args, 1, "\"characters to keep\"");
793	return remove_by_tab(args, Tab(false, args->param.get(0)));
794	}
795
796
797	static char binop_compare(const char arg1, const char arg2, void client_data) {
798	long case_sensitive = (long)client_data;
799	int result;
800
801	if (case_sensitive) result = strcmp(arg1, arg2);
802	else result = gbl_stricmp(arg1, arg2);
803
804	return GBS_global_string_copy("%i", result<0 ? -1 : (result>0 ? 1 : 0));
805	}
806	static char binop_equals(const char arg1, const char arg2, void client_data) {
807	long case_sensitive = (long)client_data;
808	int result;
809
810	if (case_sensitive) result = strcmp(arg1, arg2);
811	else result = gbl_stricmp(arg1, arg2);
812
813	return GBS_global_string_copy("%i", result == 0 ? 1 : 0);
814	}
815	static char binop_contains(const char arg1, const char arg2, void client_data) {
816	long case_sensitive = (long)client_data;
817	const char *found = 0;
818
819	if (case_sensitive) found = strstr(arg1, arg2);
820	else found = gbl_stristr(arg1, arg2);
821
822	return GBS_global_string_copy("%ti", found == 0 ? 0 : (found-arg1)+1);
823	}
824	static char binop_partof(const char arg1, const char arg2, void client_data) {
825	return binop_contains(arg2, arg1, client_data);
826	}
827
828	static GB_ERROR gbl_compare (GBL_command_arguments args) { return gbl_apply_binary_operator(args, binop_compare, (void)1); }
829	static GB_ERROR gbl_icompare (GBL_command_arguments args) { return gbl_apply_binary_operator(args, binop_compare, (void)0); }
830	static GB_ERROR gbl_equals (GBL_command_arguments args) { return gbl_apply_binary_operator(args, binop_equals, (void)1); }
831	static GB_ERROR gbl_iequals (GBL_command_arguments args) { return gbl_apply_binary_operator(args, binop_equals, (void)0); }
832	static GB_ERROR gbl_contains (GBL_command_arguments args) { return gbl_apply_binary_operator(args, binop_contains, (void)1); }
833	static GB_ERROR gbl_icontains(GBL_command_arguments args) { return gbl_apply_binary_operator(args, binop_contains, (void)0); }
834	static GB_ERROR gbl_partof (GBL_command_arguments args) { return gbl_apply_binary_operator(args, binop_partof, (void)1); }
835	static GB_ERROR gbl_ipartof (GBL_command_arguments args) { return gbl_apply_binary_operator(args, binop_partof, (void)0); }
836
837	static GB_ERROR gbl_translate(GBL_command_arguments *args) {
838	EXPECT_OPTIONAL_PARAMS(args, 2, "old,new", 1, "other");
839
840	char replace_other = 0;
841	if (args->param.size() == 3) {
842	const char *other = args->param.get(2);
843	if (other[0] == 0 \|\| other[1] != 0) {
844	return "third parameter of translate has to be one character (i.e. \"-\")";
845	}
846	replace_other = other[0];
847	}
848
849	// build translation table :
850	unsigned char tab[256];
851	{
852	const unsigned char o = (const unsigned char )args->param.get(0);
853	const unsigned char n = (const unsigned char )args->param.get(1);
854	char used[256];
855
856	if (strlen((const char )o) != strlen((const char )n)) {
857	return "arguments 1 and 2 of translate should be strings with identical length";
858	}
859
860	for (int i = 0; i<256; ++i) {
861	tab[i] = replace_other ? replace_other : i; // replace unused or identity translation
862	used[i] = 0;
863	}
864
865	for (int i = 0; o[i]; ++i) {
866	if (used[o[i]]) return GBS_global_string("character '%c' used twice in argument 1 of translate", o[i]);
867	used[o[i]] = 1;
868	tab[o[i]] = n[i]; // real translation
869	}
870	}
871
872	for (int i=0; i<args->input.size(); i++) {
873	GBS_strstruct *strstruct = GBS_stropen(1000);
874	for (const char p = args->input.get(i); p; p++) {
875	GBS_chrcat(strstruct, tab[(unsigned char)*p]);
876	}
877	PASS_2_OUT(args, GBS_strclose(strstruct));
878	}
879	return 0;
880	}
881
882
883	static GB_ERROR gbl_echo(GBL_command_arguments *args) {
884	COMMAND_DROPS_INPUT_STREAMS(args);
885	for (int i=0; i<args->param.size(); i++) PARAM_2_OUT(args, i);
886	return 0;
887	}
888
889	static GB_ERROR gbl_dd(GBL_command_arguments *args) {
890	EXPECT_NO_PARAM(args);
891	return gbl_mid_streams(args->input, args->output, 0, -1); // copy all streams
892	}
893
894	static GB_ERROR gbl_string_convert(GBL_command_arguments *args) {
895	EXPECT_NO_PARAM(args);
896
897	int mode = -1;
898	if (strcmp(args->command, "lower") == 0) mode = 0;
899	else if (strcmp(args->command, "upper") == 0) mode = 1;
900	else if (strcmp(args->command, "caps") == 0) mode = 2;
901	else return GB_export_errorf("Unknown command '%s'", args->command);
902
903	for (int i=0; i<args->input.size(); i++) {
904	char *p = strdup(args->input.get(i));
905	bool last_was_alnum = false;
906
907	for (char *pp = p; pp[0]; ++pp) {
908	switch (mode) {
909	case 0: pp[0] = tolower(pp[0]); break;
910	case 1: pp[0] = toupper(pp[0]); break;
911	case 2: { // caps
912	bool alnum = isalnum(pp[0]);
913	if (alnum) pp[0] = (last_was_alnum ? tolower : toupper)(pp[0]);
914	last_was_alnum = alnum;
915	break;
916	}
917	default: gb_assert(0); break;
918	}
919	}
920
921	PASS_2_OUT(args, p);
922	}
923
924	return 0;
925	}
926
927	static GB_ERROR gbl_head(GBL_command_arguments *args) {
928	EXPECT_PARAMS(args, 1, "length_of_head");
929	int start = atoi(args->param.get(0));
930	if (start <= 0) return gbl_mid_streams(args->input, args->output, 1, 0); // empty all streams
931	return gbl_mid_streams(args->input, args->output, 0, start-1);
932	}
933	static GB_ERROR gbl_tail(GBL_command_arguments *args) {
934	EXPECT_PARAMS(args, 1, "length_of_tail");
935	int end = atoi(args->param.get(0));
936	if (end <= 0) return gbl_mid_streams(args->input, args->output, 1, 0); // empty all streams
937	return gbl_mid_streams(args->input, args->output, -end, -1);
938	}
939
940	inline GB_ERROR mid(GBL_command_arguments *args, int start_index) {
941	EXPECT_PARAMS(args, 2, "start,end");
942	return gbl_mid_streams(args->input, args->output, atoi(args->param.get(0))-start_index, atoi(args->param.get(1))-start_index);
943	}
944	static GB_ERROR gbl_mid0(GBL_command_arguments *args) { return mid(args, 0); }
945	static GB_ERROR gbl_mid (GBL_command_arguments *args) { return mid(args, 1); }
946
947	static GB_ERROR tab(GBL_command_arguments *args, bool pretab) {
948	EXPECT_PARAMS(args, 1, "tabstop");
949
950	int tab = atoi(args->param.get(0));
951	for (int i=0; i<args->input.size(); i++) {
952	int len = strlen(args->input.get(i));
953	if (len >= tab) IN_2_OUT(args, i);
954	else {
955	char p = (char )malloc(tab+1);
956	if (pretab) {
957	int spaces = tab-len;
958	for (int j = 0; j<spaces; ++j) p[j] = ' ';
959	strcpy(p+spaces, args->input.get(i));
960	}
961	else {
962	strcpy(p, args->input.get(i));
963	for (int j=len; j<tab; j++) p[j] = ' ';
964	p[tab] = 0;
965	}
966	PASS_2_OUT(args, p);
967	}
968	}
969	return 0;
970	}
971	static GB_ERROR gbl_tab (GBL_command_arguments *args) { return tab(args, false); }
972	static GB_ERROR gbl_pretab(GBL_command_arguments *args) { return tab(args, true); }
973
974	static GB_ERROR gbl_crop(GBL_command_arguments *args) {
975	EXPECT_PARAMS(args, 1, "\"chars_to_crop\"");
976
977	const char *chars_to_crop = args->param.get(0);
978	for (int i=0; i<args->input.size(); i++) {
979	const char *s = args->input.get(i);
980	while (s[0] && strchr(chars_to_crop, s[0]) != 0) s++; // crop at beg of line
981
982	int len = strlen(s);
983	char p = (char)malloc(len+1);
984	strcpy(p, s);
985
986	{
987	char *pe = p+len-1;
988
989	while (pe >= p && strchr(chars_to_crop, pe[0]) != 0) { // crop at end of line
990	--pe;
991	}
992	gb_assert(pe >= (p-1));
993	pe[1] = 0;
994	}
995	PASS_2_OUT(args, p);
996	}
997	return 0;
998	}
999
1000
1001
1002	static GB_ERROR gbl_cut(GBL_command_arguments *args) {
1003	for (int i=0; i<args->param.size(); i++) {
1004	int stream = atoi(args->param.get(i));
1005	EXPECT_LEGAL_STREAM_INDEX(args, stream);
1006	IN_2_OUT(args, bio2info(stream));
1007	}
1008	return 0;
1009	}
1010	static GB_ERROR gbl_drop(GBL_command_arguments *args) {
1011	GB_ERROR error = 0;
1012	bool dropped = (bool)malloc(args->input.size()sizeof(dropped));
1013
1014	for (int i=0; i<args->input.size(); ++i) dropped[i] = false;
1015
1016	for (int i=0; i<args->param.size() && !error; ++i) {
1017	int stream = atoi(args->param.get(i));
1018	error = check_valid_stream_index(args, stream);
1019	if (!error) dropped[bio2info(stream)] = true;
1020	}
1021
1022	if (!error) {
1023	for (int i=0; i<args->input.size(); ++i) {
1024	if (!dropped[i]) IN_2_OUT(args, i);
1025	}
1026	}
1027	free(dropped);
1028
1029	return error;
1030	}
1031
1032	static GB_ERROR gbl_dropempty(GBL_command_arguments *args) {
1033	EXPECT_NO_PARAM(args);
1034
1035	for (int i=0; i<args->input.size(); ++i) {
1036	if (args->input.get(i)[0]) { // if non-empty
1037	IN_2_OUT(args, i);
1038	}
1039	}
1040	return 0;
1041	}
1042
1043	static GB_ERROR gbl_dropzero(GBL_command_arguments *args) {
1044	EXPECT_NO_PARAM(args);
1045
1046	for (int i=0; i<args->input.size(); ++i) {
1047	if (atoi(args->input.get(i))) { // if non-zero
1048	IN_2_OUT(args, i);
1049	}
1050	}
1051	return 0;
1052	}
1053
1054	static GB_ERROR gbl_swap(GBL_command_arguments *args) {
1055	if (args->input.size()<2) return "need at least two input streams";
1056
1057	int swap1;
1058	int swap2;
1059	if (args->param.size() == 0) {
1060	swap1 = args->input.size()-1;
1061	swap2 = args->input.size()-2;
1062	}
1063	else if (args->param.size() == 2) {
1064	swap1 = atoi(args->param.get(0));
1065	swap2 = atoi(args->param.get(1));
1066
1067	EXPECT_LEGAL_STREAM_INDEX(args, swap1);
1068	EXPECT_LEGAL_STREAM_INDEX(args, swap2);
1069
1070	swap1 = bio2info(swap1);
1071	swap2 = bio2info(swap2);
1072	}
1073	else {
1074	return "expected 0 or 2 parameters";
1075	}
1076
1077	for (int i = 0; i<args->input.size(); ++i) {
1078	int j = i == swap1 ? swap2 : (i == swap2 ? swap1 : i);
1079	IN_2_OUT(args, j);
1080	}
1081
1082	return 0;
1083	}
1084
1085	static GB_ERROR backfront_stream(GBL_command_arguments *args, int toback) {
1086	if (args->input.size()<1) return "need at least one input stream";
1087	if (args->param.size() != 1) return "expecting one parameter";
1088
1089	int stream_to_move = atoi(args->param.get(0));
1090	EXPECT_LEGAL_STREAM_INDEX(args, stream_to_move);
1091	stream_to_move = bio2info(stream_to_move);
1092
1093	if (!toback) IN_2_OUT(args, stream_to_move);
1094	for (int i = 0; i<args->input.size(); ++i) {
1095	if (i != stream_to_move) IN_2_OUT(args, i);
1096	}
1097	if (toback) IN_2_OUT(args, stream_to_move);
1098
1099	return 0;
1100	}
1101	static GB_ERROR gbl_toback (GBL_command_arguments *args) { return backfront_stream(args, 1); }
1102	static GB_ERROR gbl_tofront(GBL_command_arguments *args) { return backfront_stream(args, 0); }
1103
1104	static GB_ERROR gbl_merge(GBL_command_arguments *args) {
1105	const char *separator;
1106	switch (args->param.size()) {
1107	case 0: separator = 0; break;
1108	case 1: separator = args->param.get(0); break;
1109	default: return check_optional_parameters(args, 0, NULL, 1, "\"separator\"");
1110	}
1111
1112	if (args->input.size()) {
1113	GBS_strstruct *str = GBS_stropen(1000);
1114	GBS_strcat(str, args->input.get(0));
1115
1116	for (int i = 1; i<args->input.size(); ++i) {
1117	if (separator) GBS_strcat(str, separator);
1118	GBS_strcat(str, args->input.get(i));
1119	}
1120
1121	PASS_2_OUT(args, GBS_strclose(str));
1122	}
1123	return 0;
1124	}
1125
1126	static GB_ERROR gbl_split(GBL_command_arguments *args) {
1127	const char *separator;
1128	int split_mode = 0; // 0 = remove separator, 1 = split before separator, 2 = split behind separator
1129
1130	switch (args->param.size()) {
1131	case 0: // default behavior: split into lines and remove LF
1132	separator = "\n";
1133	break;
1134	case 2:
1135	split_mode = atoi(args->param.get(1));
1136	if (split_mode<0 \|\| split_mode>2) {
1137	return GBS_global_string("Illegal split mode '%i' (valid: 0..2)", split_mode);
1138	}
1139	// fall-through
1140	case 1:
1141	separator = args->param.get(0);
1142	break;
1143	default:
1144	return check_optional_parameters(args, 0, NULL, 2, "\"separator\"[,mode]");
1145	}
1146
1147	{
1148	size_t sepLen = strlen(separator);
1149
1150	for (int i = 0; i<args->input.size(); ++i) {
1151	const char *in = args->input.get(i);
1152	const char *from = in; // search from here
1153
1154	while (in) {
1155	const char *splitAt = strstr(from, separator);
1156	if (splitAt) {
1157	size_t len;
1158	char *copy;
1159
1160	if (split_mode == 2) splitAt += sepLen; // split behind separator
1161
1162	len = splitAt-in;
1163	copy = (char*)malloc(len+1);
1164
1165	memcpy(copy, in, len);
1166	copy[len] = 0;
1167
1168	PASS_2_OUT(args, copy);
1169
1170	in = splitAt + (split_mode == 0 ? sepLen : 0);
1171	from = in+(split_mode == 1 ? sepLen : 0);
1172	}
1173	else {
1174	COPY_2_OUT(args, in); // last part
1175	in = 0;
1176	}
1177	}
1178	}
1179	}
1180
1181	return 0;
1182	}
1183
1184	// ----------------------------------
1185	// Extended string functions
1186
1187	static GB_ERROR gbl_extract_words(GBL_command_arguments *args) {
1188	EXPECT_PARAMS(args, 2, "\"chars\", minchars");
1189
1190	float len = atof(args->param.get(1));
1191	for (int i=0; i<args->input.size(); i++) {
1192	char *res = GBS_extract_words(args->input.get(i), args->param.get(0), len, 1);
1193	gb_assert(res);
1194	PASS_2_OUT(args, res);
1195	}
1196	return 0;
1197	}
1198
1199	static GB_ERROR gbl_extract_sequence(GBL_command_arguments *args) {
1200	EXPECT_PARAMS(args, 2, "\"chars\",minFrequency");
1201
1202	const char *chars = args->param.get(0);
1203	float minFreq = atof(args->param.get(1));
1204
1205	if (minFreq <0.0 \|\| minFreq > 1.0) return GBS_global_string("Illegal minFrequency=%f", minFreq);
1206
1207	for (int i=0; i<args->input.size(); i++) {
1208	char *res = GBS_extract_words(args->input.get(i), chars, minFreq, 0);
1209	gb_assert(res);
1210	PASS_2_OUT(args, res);
1211	}
1212	return 0;
1213	}
1214
1215	static GB_ERROR gbl_checksum(GBL_command_arguments *args) {
1216	GBL_BEGIN_PARAMS;
1217	GBL_PARAM_STRING(exclude, "exclude=", "", "Remove given characters before calculating");
1218	GBL_PARAM_BIT (upper, "toupper", 0, "Convert all characters to uppercase before calculating");
1219	GBL_TRACE_PARAMS(args);
1220	GBL_END_PARAMS;
1221
1222	for (int i=0; i<args->input.size(); i++) {
1223	long id = GBS_checksum(args->input.get(i), upper, exclude);
1224	PASS_2_OUT(args, GBS_global_string_copy("%lX", id));
1225	}
1226	return 0;
1227	}
1228
1229	static GB_ERROR gbl_gcgcheck(GBL_command_arguments *args) {
1230	GBL_BEGIN_PARAMS;
1231	GBL_TRACE_PARAMS(args);
1232	GBL_END_PARAMS;
1233
1234	for (int i=0; i<args->input.size(); i++) {
1235	long id = GBS_gcgchecksum(args->input.get(i));
1236	PASS_2_OUT(args, GBS_global_string_copy("%li", id));
1237	}
1238	return 0;
1239	}
1240
1241	// ------------
1242	// SRT
1243
1244	static GB_ERROR gbl_srt(GBL_command_arguments *args) {
1245	GB_ERROR error = NULL;
1246	for (int i=0; i<args->input.size() && !error; i++) {
1247	char *modsource = 0;
1248
1249	for (int j=0; j<args->param.size() && !error; j++) {
1250	char *hs = GBS_string_eval(modsource ? modsource : args->input.get(i),
1251	args->param.get(j),
1252	args->get_ref());
1253
1254	if (hs) freeset(modsource, hs);
1255	else {
1256	error = GB_await_error();
1257	free(modsource);
1258	}
1259	}
1260
1261	if (!error) {
1262	if (modsource) PASS_2_OUT(args, modsource);
1263	else IN_2_OUT(args, i);
1264	}
1265	}
1266	return error;
1267	}
1268
1269	// -----------------------------
1270	// Calculator Functions
1271
1272
1273	// numeric binary operators
1274
1275	typedef int (*numeric_binary_operator)(int i1, int i2);
1276
1277	static char apply_numeric_binop(const char arg1, const char arg2, void client_data) {
1278	numeric_binary_operator nbo = (numeric_binary_operator)client_data;
1279
1280	int i1 = atoi(arg1);
1281	int i2 = atoi(arg2);
1282	int result = nbo(i1, i2);
1283
1284	return GBS_global_string_copy("%i", result);
1285	}
1286
1287	static int binop_plus (int i1, int i2) { return i1+i2; }
1288	static int binop_minus (int i1, int i2) { return i1-i2; }
1289	static int binop_mult (int i1, int i2) { return i1*i2; }
1290	static int binop_div (int i1, int i2) { return i2 ? i1/i2 : 0; }
1291	static int binop_rest (int i1, int i2) { return i2 ? i1%i2 : 0; }
1292	static int binop_per_cent(int i1, int i2) { return i2 ? (i1*100)/i2 : 0; }
1293
1294	static GB_ERROR gbl_plus (GBL_command_arguments args) { return gbl_apply_binary_operator(args, apply_numeric_binop, (void)binop_plus); }
1295	static GB_ERROR gbl_minus (GBL_command_arguments args) { return gbl_apply_binary_operator(args, apply_numeric_binop, (void)binop_minus); }
1296	static GB_ERROR gbl_mult (GBL_command_arguments args) { return gbl_apply_binary_operator(args, apply_numeric_binop, (void)binop_mult); }
1297	static GB_ERROR gbl_div (GBL_command_arguments args) { return gbl_apply_binary_operator(args, apply_numeric_binop, (void)binop_div); }
1298	static GB_ERROR gbl_rest (GBL_command_arguments args) { return gbl_apply_binary_operator(args, apply_numeric_binop, (void)binop_rest); }
1299	static GB_ERROR gbl_per_cent(GBL_command_arguments args) { return gbl_apply_binary_operator(args, apply_numeric_binop, (void)binop_per_cent); }
1300
1301
1302	static GB_ERROR gbl_select(GBL_command_arguments *args) {
1303	GB_ERROR error = NULL;
1304	for (int i=0; i<args->input.size() && !error; i++) {
1305	int paraidx = atoi(args->input.get(i));
1306	error = check_valid_param_index(args, paraidx);
1307	if (!error) {
1308	char result = interpret_subcommand(args, "", args->param.get(paraidx));
1309	if (!result) error = GB_await_error();
1310	else PASS_2_OUT(args, result);
1311	}
1312	}
1313	return error;
1314	}
1315
1316	static GB_ERROR gbl_readdb(GBL_command_arguments *args) {
1317	COMMAND_DROPS_INPUT_STREAMS(args);
1318
1319	GBS_strstruct *strstr = GBS_stropen(1024);
1320	for (int i=0; i<args->param.size(); i++) {
1321	char *val = GBT_read_as_string(args->get_ref(), args->param.get(i));
1322	if (val) {
1323	GBS_strcat(strstr, val);
1324	free(val);
1325	}
1326	}
1327	PASS_2_OUT(args, GBS_strclose(strstr));
1328	return 0;
1329	}
1330
1331
1332	enum GBT_ITEM_TYPE {
1333	GBT_ITEM_UNKNOWN,
1334	GBT_ITEM_SPECIES,
1335	GBT_ITEM_GENE
1336	};
1337
1338	static GBT_ITEM_TYPE identify_gb_item(GBDATA *gb_item) {
1339	/* returns: GBT_ITEM_UNKNOWN -> unknown database_item
1340	* GBT_ITEM_SPECIES -> /species_data/species
1341	* GBT_ITEM_GENE -> /species_data/species/gene_data/gene */
1342
1343	GBT_ITEM_TYPE res = GBT_ITEM_UNKNOWN;
1344	if (gb_item) {
1345	GBDATA *gb_father = GB_get_father(gb_item);
1346	if (gb_father) {
1347	const char *key = GB_KEY(gb_item);
1348
1349	if (strcmp(key, "species") == 0 &&
1350	strcmp(GB_KEY(gb_father), "species_data") == 0) {
1351	res = GBT_ITEM_SPECIES;
1352	}
1353	else if (strcmp(key, "gene") == 0 &&
1354	strcmp(GB_KEY(gb_father), "gene_data") == 0 &&
1355	identify_gb_item(GB_get_father(gb_father)) == GBT_ITEM_SPECIES) {
1356	res = GBT_ITEM_GENE;
1357	}
1358	}
1359	}
1360	return res;
1361	}
1362
1363	// --------------------------------------------------------------------------------
1364	// taxonomy caching
1365
1366	#if defined(DEBUG)
1367	// #define DUMP_TAXONOMY_CACHING
1368	#endif
1369
1370
1371	#define GROUP_COUNT_CHARS 6 // characters in taxonomy-key reserved for group-counter (hex number)
1372	#define BITS_PER_HEXCHAR 4
1373	#define MAX_GROUPS (1 << (GROUP_COUNT_CHARS*BITS_PER_HEXCHAR)) // resulting number of groups
1374
1375	struct cached_taxonomy {
1376	char *tree_name; // tree for which taxonomy is cached here
1377	int groups; // number of named groups in tree (at time of caching)
1378	GB_HASH taxonomy; / keys: "!species", ">XXXXgroup" and "<root>".
1379	* Species and groups contain their first parent (i.e. '>XXXXgroup' or '<root>').
1380	* Species not in hash are not members of tree.
1381	* The 'XXXX' in groupname is simply a counter to avoid multiple groups with same name.
1382	* The group-db-entries are stored in hash as pointers ('>>%p') and
1383	* point to their own group entry ('>XXXXgroup')
1384	*
1385	* Note: the number of 'X's in 'XXXX' above is defined by GROUP_COUNT_CHARS!
1386	*/
1387	};
1388
1389	static void free_cached_taxonomy(cached_taxonomy *ct) {
1390	free(ct->tree_name);
1391	GBS_free_hash(ct->taxonomy);
1392	free(ct);
1393	}
1394
1395	static void build_taxonomy_rek(GBT_TREE node, GB_HASH tax_hash, const char parent_group, int group_counter) {
1396	if (node->is_leaf) {
1397	GBDATA *gb_species = node->gb_node;
1398	if (gb_species) { // not zombie
1399	GBS_write_hash(tax_hash, GBS_global_string("!%s", GBT_read_name(gb_species)), (long)strdup(parent_group));
1400	}
1401	}
1402	else {
1403	if (node->name) { // named group
1404	char *hash_entry;
1405	const char *hash_binary_entry;
1406	(*group_counter)++;
1407
1408	gb_assert((*group_counter)<MAX_GROUPS); // overflow - increase GROUP_COUNT_CHARS
1409
1410	hash_entry = GBS_global_string_copy(">%0x%s", GROUP_COUNT_CHARS, group_counter, node->name);
1411	GBS_write_hash(tax_hash, hash_entry, (long)strdup(parent_group));
1412
1413	hash_binary_entry = GBS_global_string(">>%p", node->gb_node);
1414	GBS_write_hash(tax_hash, hash_binary_entry, (long)strdup(hash_entry));
1415
1416	build_taxonomy_rek(node->leftson, tax_hash, hash_entry, group_counter);
1417	build_taxonomy_rek(node->rightson, tax_hash, hash_entry, group_counter);
1418	free(hash_entry);
1419	}
1420	else {
1421	build_taxonomy_rek(node->leftson, tax_hash, parent_group, group_counter);
1422	build_taxonomy_rek(node->rightson, tax_hash, parent_group, group_counter);
1423	}
1424	}
1425	}
1426
1427	static GB_HASH *cached_taxonomies = 0;
1428
1429	static bool is_cached_taxonomy(const char /key/, long val, void cl_ct) {
1430	cached_taxonomy ct1 = (cached_taxonomy )val;
1431	cached_taxonomy ct2 = (cached_taxonomy )cl_ct;
1432
1433	return ct1 == ct2;
1434	}
1435
1436	static const char tree_of_cached_taxonomy(cached_taxonomy ct) {
1437	/* search the hash to find the correct cached taxonomy.
1438	* searching for tree name does not work, because the tree possibly already was deleted
1439	*/
1440	const char *tree = GBS_hash_next_element_that(cached_taxonomies, NULL, is_cached_taxonomy, ct);
1441	#ifdef DUMP_TAXONOMY_CACHING
1442	if (tree) printf("tree_of_cached_taxonomy: tree='%s' ct->tree_name='%s'\n", tree, ct->tree_name);
1443	#endif // DUMP_TAXONOMY_CACHING
1444	return tree;
1445	}
1446
1447	static void flush_taxonomy_cb(GBDATA gbd, cached_taxonomy ct) {
1448	/* this cb is bound all tree db members below "/tree_data/tree_xxx" which
1449	* may have an effect on the displayed taxonomy
1450	* it invalidates cached taxonomies for that tree (when changed or deleted)
1451	*/
1452
1453	GB_ERROR error = 0;
1454	const char *found = tree_of_cached_taxonomy(ct);
1455
1456	if (found) {
1457	#ifdef DUMP_TAXONOMY_CACHING
1458	fprintf(stderr, "Deleting cached taxonomy ct=%p (tree='%s')\n", ct, found);
1459	#endif // DUMP_TAXONOMY_CACHING
1460	GBS_write_hash(cached_taxonomies, found, 0); // delete cached taxonomy from hash
1461	free_cached_taxonomy(ct);
1462	}
1463	#ifdef DUMP_TAXONOMY_CACHING
1464	else {
1465	fprintf(stderr, "No tree found for cached_taxonomies ct=%p (already deleted?)\n", ct);
1466	}
1467	#endif // DUMP_TAXONOMY_CACHING
1468
1469	if (!GB_inside_callback(gbd, GB_CB_DELETE)) {
1470	GB_remove_all_callbacks_to(gbd, GB_CB_CHANGED_OR_DELETED, (GB_CB)flush_taxonomy_cb);
1471	}
1472
1473	if (found && !error) {
1474	GBDATA *gb_main = GB_get_gb_main_during_cb();
1475	if (gb_main) {
1476	GBDATA *gb_tree_refresh = GB_search(gb_main, AWAR_TREE_REFRESH, GB_INT);
1477	if (!gb_tree_refresh) {
1478	error = GBS_global_string("%s (while trying to force refresh)", GB_await_error());
1479	}
1480	else {
1481	GB_touch(gb_tree_refresh); // Note : force tree update
1482	}
1483	}
1484	}
1485
1486	if (error) {
1487	fprintf(stderr, "Error in flush_taxonomy_cb: %s\n", error);
1488	}
1489	}
1490
1491	static void flush_taxonomy_if_new_group_cb(GBDATA gb_tree, cached_taxonomy ct) {
1492	// detects the creation of new groups and call flush_taxonomy_cb() manually
1493	#ifdef DUMP_TAXONOMY_CACHING
1494	fputs("flush_taxonomy_if_new_group_cb() has been called\n", stderr);
1495	#endif // DUMP_TAXONOMY_CACHING
1496
1497	const char *tree_name = tree_of_cached_taxonomy(ct);
1498	if (tree_name) {
1499	int groups = 0;
1500	GBDATA *gb_group_node;
1501
1502	for (gb_group_node = GB_entry(gb_tree, "node");
1503	gb_group_node;
1504	gb_group_node = GB_nextEntry(gb_group_node))
1505	{
1506	if (GB_entry(gb_group_node, "group_name")) {
1507	groups++; // count named groups only
1508	}
1509	}
1510
1511	#ifdef DUMP_TAXONOMY_CACHING
1512	fprintf(stderr, "cached_groups=%i counted_groups=%i\n", ct->groups, groups);
1513	#endif // DUMP_TAXONOMY_CACHING
1514	if (groups != ct->groups) {
1515	#ifdef DUMP_TAXONOMY_CACHING
1516	fprintf(stderr, "Number of groups changed -> invoking flush_taxonomy_cb() manually\n");
1517	#endif // DUMP_TAXONOMY_CACHING
1518	flush_taxonomy_cb(gb_tree, ct);
1519	}
1520	}
1521	#ifdef DUMP_TAXONOMY_CACHING
1522	else {
1523	fprintf(stderr, "cached taxonomy no longer valid.\n");
1524	}
1525	#endif // DUMP_TAXONOMY_CACHING
1526	}
1527
1528	static cached_taxonomy get_cached_taxonomy(GBDATA gb_main, const char tree_name, GB_ERROR error) {
1529	long cached;
1530	*error = 0;
1531	if (!cached_taxonomies) {
1532	cached_taxonomies = GBS_create_hash(20, GB_IGNORE_CASE);
1533	}
1534	cached = GBS_read_hash(cached_taxonomies, tree_name);
1535	if (!cached) {
1536	GBT_TREE *tree = GBT_read_tree(gb_main, tree_name, GBT_TREE_NodeFactory());
1537	if (!tree) *error = GB_await_error();
1538	else *error = GBT_link_tree(tree, gb_main, false, 0, 0);
1539
1540	if (!*error) {
1541	GBDATA *gb_tree = GBT_find_tree(gb_main, tree_name);
1542	if (!gb_tree) {
1543	*error = GBS_global_string("Can't find tree '%s'", tree_name);
1544	}
1545	else {
1546	cached_taxonomy ct = (cached_taxonomy)malloc(sizeof(*ct));
1547	long nodes = GBT_count_leafs(tree);
1548	int group_counter = 0;
1549
1550	ct->tree_name = strdup(tree_name);
1551	ct->taxonomy = GBS_create_dynaval_hash(int(nodes), GB_IGNORE_CASE, GBS_dynaval_free);
1552	ct->groups = 0; // counted below
1553
1554	build_taxonomy_rek(tree, ct->taxonomy, "<root>", &group_counter);
1555	cached = (long)ct;
1556	GBS_write_hash(cached_taxonomies, tree_name, (long)ct);
1557
1558	GB_remove_all_callbacks_to(gb_tree, GB_CB_SON_CREATED, (GB_CB)flush_taxonomy_if_new_group_cb);
1559	GB_add_callback(gb_tree, GB_CB_SON_CREATED, makeDatabaseCallback(flush_taxonomy_if_new_group_cb, ct));
1560
1561	{
1562	GBDATA *gb_tree_entry = GB_entry(gb_tree, "tree");
1563	GBDATA *gb_group_node;
1564
1565	if (gb_tree_entry) {
1566	GB_remove_all_callbacks_to(gb_tree_entry, GB_CB_CHANGED_OR_DELETED, (GB_CB)flush_taxonomy_cb);
1567	GB_add_callback(gb_tree_entry, GB_CB_CHANGED_OR_DELETED, makeDatabaseCallback(flush_taxonomy_cb, ct));
1568	}
1569
1570	// add callbacks for all node/group_name subentries
1571	for (gb_group_node = GB_entry(gb_tree, "node");
1572	gb_group_node;
1573	gb_group_node = GB_nextEntry(gb_group_node))
1574	{
1575	GBDATA *gb_group_name = GB_entry(gb_group_node, "group_name");
1576	if (gb_group_name) { // group with id = 0 has no name
1577	GB_remove_all_callbacks_to(gb_group_name, GB_CB_CHANGED_OR_DELETED, (GB_CB)flush_taxonomy_cb);
1578	GB_add_callback(gb_group_name, GB_CB_CHANGED_OR_DELETED, makeDatabaseCallback(flush_taxonomy_cb, ct));
1579	ct->groups++;
1580	}
1581	}
1582	}
1583	#ifdef DUMP_TAXONOMY_CACHING
1584	fprintf(stderr, "Created taxonomy hash for '%s' (ct=%p)\n", tree_name, ct);
1585	#endif // DUMP_TAXONOMY_CACHING
1586	}
1587	}
1588
1589	delete tree;
1590	}
1591
1592	if (!*error) {
1593	cached_taxonomy ct = (cached_taxonomy)cached;
1594	gb_assert(ct);
1595	return ct;
1596	}
1597
1598	return 0;
1599	}
1600
1601	static char get_taxonomy_string(GB_HASH tax_hash, const char group_key, int depth, GB_ERROR error) {
1602	long found;
1603	char *result = 0;
1604
1605	gb_assert(depth>0);
1606	gb_assert(!(group_key[0] == '>' && group_key[1] == '>')); // internal group-pointers not allowed here!
1607
1608	found = GBS_read_hash(tax_hash, group_key);
1609	if (found) {
1610	const char parent_group_key = (const char )found;
1611	if (strcmp(parent_group_key, "<root>") == 0) { // root reached
1612	result = strdup(group_key+(GROUP_COUNT_CHARS+1)); // return own group name
1613	}
1614	else {
1615	if (depth>1) {
1616	char *parent_name = get_taxonomy_string(tax_hash, parent_group_key, depth-1, error);
1617	if (parent_name) {
1618	result = GBS_global_string_copy("%s/%s", parent_name, group_key+(GROUP_COUNT_CHARS+1));
1619	free(parent_name);
1620	}
1621	else {
1622	error = GBS_global_string("In get_taxonomy_string(%s): %s", group_key, error);
1623	result = 0;
1624	}
1625	}
1626	else {
1627	result = strdup(group_key+(GROUP_COUNT_CHARS+1)); // return own group name
1628	}
1629	}
1630	}
1631	else {
1632	*error = GBS_global_string("Not in tax_hash: '%s'", group_key);
1633	}
1634	return result;
1635	}
1636
1637	static const char get_taxonomy(GBDATA gb_species_or_group, const char tree_name, bool is_current_tree, int depth, GB_ERROR error) {
1638	GBDATA *gb_main = GB_get_root(gb_species_or_group);
1639	cached_taxonomy *tax = get_cached_taxonomy(gb_main, tree_name, error);
1640	const char *result = 0;
1641
1642	if (tax) {
1643	GBDATA *gb_name = GB_entry(gb_species_or_group, "name");
1644	GBDATA *gb_group_name = GB_entry(gb_species_or_group, "group_name");
1645
1646	if (gb_name && !gb_group_name) { // it's a species
1647	char *name = GB_read_string(gb_name);
1648	if (name) {
1649	GB_HASH *tax_hash = tax->taxonomy;
1650	long found = GBS_read_hash(tax_hash, GBS_global_string("!%s", name));
1651
1652	if (found) {
1653	const char parent_group = (const char )found;
1654
1655	if (strcmp(parent_group, "<root>") == 0) {
1656	result = ""; // not member of any group
1657	}
1658	else {
1659	static char *parent = 0;
1660
1661	freeset(parent, get_taxonomy_string(tax_hash, parent_group, depth, error));
1662	result = parent;
1663	}
1664	}
1665	else {
1666	result = GBS_global_string("Species '%s' not in '%s'", name, tree_name);
1667	}
1668	free(name);
1669	}
1670	else {
1671	*error = GBS_global_string("Species without 'name' entry!");
1672	}
1673	}
1674	else if (gb_group_name && !gb_name) { // it's a group
1675	char *group_name = GB_read_string(gb_group_name);
1676	if (group_name) {
1677	if (is_current_tree) {
1678	GB_HASH *tax_hash = tax->taxonomy;
1679	long found = GBS_read_hash(tax_hash, GBS_global_string(">>%p", gb_species_or_group));
1680
1681	if (found) {
1682	static char *full_group = 0;
1683	const char group_id = (const char )found;
1684
1685	freeset(full_group, get_taxonomy_string(tax_hash, group_id, depth, error));
1686	result = full_group;
1687	}
1688	else {
1689	result = GBS_global_string("Group '%s' not in '%s'", group_name, tree_name);
1690	}
1691	}
1692	else {
1693	*error = "It's not possible to specify the tree name in taxonomy() for groups";
1694	}
1695	free(group_name);
1696	}
1697	else {
1698	*error = "Group without 'group_name' entry";
1699	}
1700	}
1701	else if (gb_group_name) {
1702	*error = "Container has 'name' and 'group_name' entry - can't detect container type";
1703	}
1704	else {
1705	*error = "Container has neither 'name' nor 'group_name' entry - can't detect container type";
1706	}
1707	}
1708
1709	return result;
1710	}
1711
1712	static GB_ERROR gbl_taxonomy(GBL_command_arguments *args) {
1713	COMMAND_DROPS_INPUT_STREAMS(args);
1714
1715	GB_ERROR error = check_optional_parameters(args, 1, "count", 1, "tree_name", false);
1716	if (!error) {
1717	char *tree_name = 0;
1718	bool is_current_tree = false;
1719	int depth = -1;
1720	char *result = 0;
1721
1722	if (args->param.size() == 1) { // only 'depth'
1723	if (!args->get_tree_name()) {
1724	result = strdup("No default tree");
1725	}
1726	else {
1727	tree_name = strdup(args->get_tree_name());
1728	depth = atoi(args->param.get(0));
1729	is_current_tree = true;
1730	}
1731	}
1732	else { // 'tree_name', 'depth'
1733	tree_name = strdup(args->param.get(0));
1734	depth = atoi(args->param.get(1));
1735	}
1736
1737	if (!result) {
1738	if (depth<1) {
1739	error = GBS_global_string("Illegal depth '%i' (allowed 1..n)", depth);
1740	}
1741	if (!error) {
1742	const char *taxonomy_string = get_taxonomy(args->get_ref(), tree_name, is_current_tree, depth, &error);
1743	if (taxonomy_string) result = strdup(taxonomy_string);
1744	}
1745	}
1746
1747	gb_assert(contradicted(result, error));
1748	if (result) PASS_2_OUT(args, result);
1749	free(tree_name);
1750	}
1751	return error;
1752	}
1753
1754	static GB_ERROR gbl_sequence(GBL_command_arguments *args) {
1755	COMMAND_DROPS_INPUT_STREAMS(args);
1756
1757	GB_ERROR error = check_no_parameter(args);
1758	if (!error) {
1759	switch (identify_gb_item(args->get_ref())) {
1760	case GBT_ITEM_UNKNOWN: {
1761	error = "'sequence' used for unknown item";
1762	break;
1763	}
1764	case GBT_ITEM_SPECIES: {
1765	char *use = GBT_get_default_alignment(args->get_main());
1766
1767	if (!use) error = GB_await_error();
1768	else {
1769	GBDATA *gb_seq = GBT_read_sequence(args->get_ref(), use);
1770
1771	if (gb_seq) PASS_2_OUT(args, GB_read_string(gb_seq));
1772	else COPY_2_OUT(args, ""); // if current alignment does not exist -> return empty string
1773
1774	free(use);
1775	}
1776	break;
1777	}
1778	case GBT_ITEM_GENE: {
1779	char *seq = GBT_read_gene_sequence(args->get_ref(), true, 0);
1780
1781	if (!seq) error = GB_await_error();
1782	else PASS_2_OUT(args, seq);
1783
1784	break;
1785	}
1786	}
1787	}
1788	return error;
1789	}
1790
1791	static GB_ERROR gbl_export_sequence(GBL_command_arguments *args) {
1792	COMMAND_DROPS_INPUT_STREAMS(args);
1793
1794	GB_ERROR error = check_no_parameter(args);
1795	if (!error) {
1796	switch (identify_gb_item(args->get_ref())) {
1797	case GBT_ITEM_UNKNOWN: {
1798	error = "'export_sequence' used for unknown item";
1799	break;
1800	}
1801	case GBT_ITEM_SPECIES: {
1802	if (get_export_sequence == 0) {
1803	error = "No export-sequence-hook defined (can't use 'export_sequence' here)";
1804	}
1805	else {
1806	size_t len;
1807	const char *seq = get_export_sequence(args->get_ref(), &len, &error);
1808
1809	gb_assert(error \|\| seq);
1810
1811	if (seq) PASS_2_OUT(args, GB_strduplen(seq, len));
1812	}
1813	break;
1814	}
1815	case GBT_ITEM_GENE: {
1816	error = "'export_sequence' cannot be used for gene";
1817	break;
1818	}
1819	}
1820	}
1821	return error;
1822	}
1823
1824	static GB_ERROR gbl_ali_name(GBL_command_arguments *args) {
1825	COMMAND_DROPS_INPUT_STREAMS(args);
1826
1827	GB_ERROR error = check_no_parameter(args);
1828	if (!error) {
1829	GBDATA *gb_main = args->get_main();
1830	char *use = GBT_get_default_alignment(gb_main);
1831	PASS_2_OUT(args, use);
1832	}
1833	return error;
1834	}
1835
1836	static GB_ERROR gbl_sequence_type(GBL_command_arguments *args) {
1837	COMMAND_DROPS_INPUT_STREAMS(args);
1838
1839	GB_ERROR error = check_no_parameter(args);
1840	if (!error) {
1841	GBDATA *gb_main = args->get_main();
1842	char *use = GBT_get_default_alignment(gb_main);
1843	PASS_2_OUT(args, GBT_get_alignment_type_string(gb_main, use));
1844	free(use);
1845	}
1846
1847	return error;
1848	}
1849
1850	static GB_ERROR gbl_format_sequence(GBL_command_arguments *args) {
1851	GB_ERROR error = 0;
1852	int ic;
1853
1854	int simple_format = (strcmp(args->command, "format") == 0); // "format_sequence" == !simple_format
1855
1856	GBL_BEGIN_PARAMS;
1857	GBL_PARAM_UINT (firsttab, "firsttab=", 10, "Indent first line");
1858	GBL_PARAM_UINT (tab, "tab=", 10, "Indent not first line");
1859	GBL_PARAM_UINT (width, "width=", 50, "Sequence width (bases only)");
1860
1861	// "format_sequence"-only
1862	GBL_PARAM_BIT (numleft, PARAM_IF(!simple_format, "numleft"), 0, "Numbers left of sequence");
1863	GBL_PARAM_UINT(gap, PARAM_IF(!simple_format, "gap="), 10, "Insert ' ' every n sequence characters");
1864
1865	// "format"-only
1866	GBL_PARAM_STRING(nl, PARAM_IF(simple_format, "nl="), " ", "Break line at characters 'str' if wrapping needed");
1867	GBL_PARAM_STRING(forcenl, PARAM_IF(simple_format, "forcenl="), "\n", "Always break line at characters 'str'");
1868
1869	GBL_TRACE_PARAMS(args);
1870	GBL_END_PARAMS;
1871
1872	for (ic = 0; ic<args->input.size(); ++ic) {
1873	{
1874	const char *src = args->input.get(ic);
1875	size_t data_size = strlen(src);
1876	size_t needed_size;
1877
1878	{
1879	size_t lines;
1880	size_t line_size;
1881
1882	if (simple_format) {
1883	lines = data_size/2 + 1; // worst case
1884	line_size = tab + width + 1;
1885	}
1886	else {
1887	size_t gapsPerLine = (width-1)/gap;
1888	lines = data_size/width+1;
1889	line_size = tab + width + gapsPerLine + 1;
1890	}
1891
1892	needed_size = lines*line_size + firsttab + 1 + 10;
1893	}
1894
1895	char result = (char)malloc(needed_size);
1896	if (!result) {
1897	error = GBS_global_string("Out of memory (tried to alloc %zu bytes)", needed_size);
1898	}
1899	else {
1900	char *dst = result;
1901	size_t rest_data = data_size;
1902
1903	if (simple_format) {
1904	/* format string w/o gaps or numleft
1905	* does word-wrapping at chars in nl
1906	*/
1907
1908	// build wrap table
1909	unsigned char isWrapChar[256];
1910	memset(isWrapChar, 0, sizeof(isWrapChar));
1911	for (int i = 0; nl[i]; ++i) isWrapChar[(unsigned char)nl[i]] = 1;
1912	for (int i = 0; forcenl[i]; ++i) isWrapChar[(unsigned char)forcenl[i]] = 2;
1913
1914	if (firsttab>0) {
1915	memset(dst, ' ', firsttab);
1916	dst += firsttab;
1917	}
1918
1919	while (rest_data>width) {
1920	int take;
1921	int move;
1922	int took;
1923
1924	for (take = width; take > 0; --take) {
1925	if (isWrapChar[(unsigned char)src[take]]) break;
1926	}
1927	if (take <= 0) { // no wrap character found -> hard wrap at width
1928	take = move = width;
1929	}
1930	else { // soft wrap at last found wrap character
1931	move = take+1;
1932	}
1933
1934	for (took = 0; took<take; took++) {
1935	char c = src[took];
1936	if (isWrapChar[(unsigned char)c] == 2) { // forced newline
1937	take = took;
1938	move = take+1;
1939	break;
1940	}
1941	dst[took] = c;
1942	}
1943
1944	dst += take;
1945	src += move;
1946	rest_data -= move;
1947
1948	if (rest_data>0) {
1949	*dst++ = '\n';
1950	if (tab>0) {
1951	memset(dst, ' ', tab);
1952	dst += tab;
1953	}
1954	}
1955	}
1956
1957	if (rest_data>0) {
1958	size_t j, k;
1959	for (j = 0, k = 0; j<rest_data; ++j) {
1960	char c = src[j];
1961
1962	if (isWrapChar[(unsigned char)c] == 2) {
1963	dst[k++] = '\n';
1964	if (tab>0) {
1965	memset(dst+k, ' ', tab);
1966	k += tab;
1967	}
1968	}
1969	else {
1970	dst[k++] = c;
1971	}
1972	}
1973	src += j;
1974	dst += k;
1975	rest_data = 0;
1976	}
1977	}
1978	else {
1979	// "format_sequence" with gaps and numleft
1980	char *format = 0;
1981	const char *src_start = src;
1982
1983	if (numleft) {
1984	/* Warning: Be very careful, when you change format strings here!
1985	* currently all format strings result in '%u' or '%-##u' (where # are digits)
1986	*/
1987	if (firsttab>0) {
1988	char *firstFormat = GBS_global_string_copy("%%-%iu ", firsttab-1);
1989	dst += sprintf(dst, firstFormat, (unsigned)1);
1990	free(firstFormat);
1991	}
1992	else {
1993	dst += sprintf(dst, "%u ", (unsigned)1);
1994	}
1995	format = tab>0 ? GBS_global_string_copy("%%-%iu ", tab-1) : strdup("%u ");
1996	}
1997	else if (firsttab>0) {
1998	memset(dst, ' ', firsttab);
1999	dst += firsttab;
2000	}
2001
2002	while (rest_data>0) {
2003	size_t take = rest_data>width ? width : rest_data;
2004
2005	rest_data -= take;
2006
2007	while (take>gap) {
2008	memcpy(dst, src, gap);
2009	dst += gap;
2010	src += gap;
2011	*dst++ = ' ';
2012	take -= gap;
2013	}
2014
2015	memcpy(dst, src, take);
2016	dst += take;
2017	src += take;
2018
2019	if (rest_data>0) {
2020	*dst++ = '\n';
2021	if (numleft) {
2022	unsigned int num = (src-src_start)+1; // this goes to the '%u' (see comment above)
2023	dst += sprintf(dst, format, num);
2024	}
2025	else if (tab>0) {
2026	memset(dst, ' ', tab);
2027	dst += tab;
2028	}
2029	}
2030	}
2031
2032	free(format);
2033	}
2034
2035	*dst++ = 0; // close str
2036
2037	#if defined(DEBUG)
2038	{ // check for array overflow
2039	size_t used_size = dst-result;
2040	gb_assert(used_size <= needed_size);
2041
2042	char new_result = (char)realloc(result, used_size);
2043	if (!new_result) {
2044	error = "Out of memory";
2045	}
2046	else {
2047	result = new_result;
2048	}
2049	}
2050	#endif // DEBUG
2051	}
2052
2053	if (!error) PASS_2_OUT(args, result);
2054	else free(result);
2055	}
2056	}
2057	return error;
2058	}
2059
2060	static char gbl_read_seq_sai_or_species(const char species, const char sai, const char ali, size_t *seqLen) {
2061	/* Reads the alignment 'ali' of 'species' or 'sai'.
2062	* If 'ali' is NULL, use default alignment.
2063	* Returns NULL in case of error (which is exported then)
2064	*/
2065
2066	char *seq = NULL;
2067	GB_ERROR error = 0;
2068
2069	int sources = !!species + !!sai;
2070	if (sources != 1) {
2071	error = "Either parameters 'species' or 'SAI' must be specified";
2072	}
2073	else {
2074	GBDATA *gb_main = gb_local->gbl.gb_main;
2075	GBDATA *gb_item = 0;
2076	const char *what = 0;
2077	const char *name = 0;
2078
2079	if (species) {
2080	gb_item = GBT_find_species(gb_main, species);
2081	what = "species";
2082	name = species;
2083	}
2084	else {
2085	gb_item = GBT_find_SAI(gb_main, sai);
2086	what = "SAI";
2087	name = sai;
2088	}
2089
2090	if (!gb_item) error = GBS_global_string("Can't find %s '%s'", what, name);
2091	else {
2092	char *freeMe = 0;
2093
2094	if (!ali) {
2095	ali = freeMe = GBT_get_default_alignment(gb_main);
2096	if (!ali) error = "can't detect default alignment";
2097	}
2098
2099	if (ali) {
2100	GBDATA *gb_ali = GB_entry(gb_item, ali);
2101
2102	if (gb_ali) {
2103	GBDATA *gb_seq;
2104
2105	for (gb_seq = GB_child(gb_ali); gb_seq; gb_seq = GB_nextChild(gb_seq)) {
2106	long type = GB_read_type(gb_seq);
2107	if (type == GB_BITS) {
2108	seq = GB_read_bits(gb_seq, '-', '+');
2109	if (seqLen) *seqLen = GB_read_bits_count(gb_seq);
2110	break;
2111	}
2112	if (type == GB_STRING) {
2113	seq = GB_read_string(gb_seq);
2114	if (seqLen) *seqLen = GB_read_string_count(gb_seq);
2115	break;
2116	}
2117	}
2118	}
2119
2120	if (!seq) error = GBS_global_string("%s '%s' has no (usable) data in alignment '%s'", what, name, ali);
2121	}
2122	free(freeMe);
2123	}
2124	}
2125
2126	if (error) {
2127	gb_assert(!seq);
2128	GB_export_error(error);
2129	}
2130
2131	return seq;
2132	}
2133
2134	struct common_filter_params {
2135	const char *align;
2136	const char *sai;
2137	const char *species;
2138	int first;
2139	int pairwise;
2140	};
2141
2142	#define GBL_COMMON_FILTER_PARAMS \
2143	common_filter_params common_param; \
2144	GBL_STRUCT_PARAM_STRING(common_param, align, "align=", 0, "alignment to use (defaults to default alignment)"); \
2145	GBL_STRUCT_PARAM_STRING(common_param, sai, "SAI=", 0, "Use default sequence of given SAI as a filter"); \
2146	GBL_STRUCT_PARAM_STRING(common_param, species, "species=", 0, "Use default sequence of given species as a filter"); \
2147	GBL_STRUCT_PARAM_BIT (common_param, first, "first=", 0, "Use 1st stream as filter for other streams"); \
2148	GBL_STRUCT_PARAM_BIT (common_param, pairwise, "pairwise=", 0, "Use 1st stream as filter for 2nd, 3rd for 4th, ...")
2149
2150	typedef char* (filter_fun)(const char seq, const char filter, size_t flen, void param);
2151	/* Note:
2152	* filter_fun has to return a heap copy of the filter-result.
2153	* if 'flen' != 0, it contains the length of 'filter'
2154	* 'param' may be any client data
2155	*/
2156
2157	static GB_ERROR apply_filters(GBL_command_arguments args, common_filter_params common, filter_fun filter_one, void *param) {
2158	GB_ERROR error = 0;
2159
2160	if (args->input.size()==0) error = "No input stream";
2161	else {
2162	int methodCount = !!common->sai + !!common->species + !!common->pairwise + !!common->first;
2163
2164	if (methodCount != 1) error = "Need exactly one of the parameters 'SAI', 'species', 'pairwise' or 'first'";
2165	else {
2166	if (common->pairwise) {
2167	if (args->input.size() % 2) error = "Using 'pairwise' requires an even number of input streams";
2168	else {
2169	int i;
2170	for (i = 1; i<args->input.size(); i += 2) {
2171	PASS_2_OUT(args, filter_one(args->input.get(i), args->input.get(i-1), 0, param));
2172	}
2173	}
2174	}
2175	else {
2176	int i = 0;
2177	char *filter = 0;
2178	size_t flen = 0;
2179
2180	if (common->first) {
2181	if (args->input.size()<2) error = "Using 'first' needs at least 2 input streams";
2182	else {
2183	const char *in = args->input.get(i++);
2184	gb_assert(in);
2185
2186	flen = strlen(in);
2187	filter = GB_strduplen(in, flen);
2188	}
2189	}
2190	else {
2191	filter = gbl_read_seq_sai_or_species(common->species, common->sai, common->align, &flen);
2192	if (!filter) error = GB_await_error();
2193	}
2194
2195	gb_assert(filter \|\| error);
2196	if (filter) {
2197	for (; i<args->input.size(); ++i) {
2198	PASS_2_OUT(args, filter_one(args->input.get(i), filter, flen, param));
2199	}
2200	}
2201	free(filter);
2202	}
2203	}
2204	}
2205	return error;
2206	}
2207
2208	// -------------------------
2209	// calculate diff
2210
2211	struct diff_params {
2212	char equalC;
2213	char diffC;
2214	};
2215	static char calc_diff(const char seq, const char filter, size_t /flen/, void paramP) {
2216	// filters 'seq' through 'filter'
2217	// - replace all equal positions by 'equal_char' (if != 0)
2218	// - replace all differing positions by 'diff_char' (if != 0)
2219
2220	diff_params param = (diff_params)paramP;
2221	char equal_char = param->equalC;
2222	char diff_char = param->diffC;
2223
2224	char *result = strdup(seq);
2225	int p;
2226
2227	for (p = 0; result[p] && filter[p]; ++p) {
2228	if (result[p] == filter[p]) {
2229	if (equal_char) result[p] = equal_char;
2230	}
2231	else {
2232	if (diff_char) result[p] = diff_char;
2233	}
2234	}
2235
2236	// if 'seq' is longer than 'filter' and diff_char is given
2237	// -> fill rest of 'result' with 'diff_char'
2238	if (diff_char) {
2239	for (; result[p]; ++p) {
2240	result[p] = diff_char;
2241	}
2242	}
2243
2244	return result;
2245	}
2246	static GB_ERROR gbl_diff(GBL_command_arguments *args) {
2247	GBL_BEGIN_PARAMS;
2248	GBL_COMMON_FILTER_PARAMS;
2249
2250	diff_params param;
2251	GBL_STRUCT_PARAM_CHAR(param, equalC, "equal=", '.', "symbol for equal characters");
2252	GBL_STRUCT_PARAM_CHAR(param, diffC, "differ=", 0, "symbol for diff characters (default: use char from input stream)");
2253
2254	GBL_TRACE_PARAMS(args);
2255	GBL_END_PARAMS;
2256
2257	return apply_filters(args, &common_param, calc_diff, &param);
2258	}
2259
2260	// -------------------------
2261	// standard filter
2262
2263	enum filter_function { FP_FILTER, FP_MODIFY };
2264
2265	struct filter_params { // used by gbl_filter and gbl_change_gc
2266	filter_function function;
2267
2268	const char *include;
2269	const char *exclude;
2270
2271	// FP_MODIFY only:
2272	int change_pc;
2273	const char *change_to;
2274	};
2275
2276	static char filter_seq(const char seq, const char filter, size_t flen, void paramP) {
2277	filter_params param = (filter_params)paramP;
2278
2279	size_t slen = strlen(seq);
2280	if (!flen) flen = strlen(filter);
2281	size_t mlen = slen<flen ? slen : flen;
2282
2283	GBS_strstruct *out = GBS_stropen(mlen);
2284
2285	const char *charset;
2286	int include;
2287
2288	if (param->include) {
2289	charset = param->include;
2290	include = 1;
2291	}
2292	else {
2293	gb_assert(param->exclude);
2294	charset = param->exclude;
2295	include = 0;
2296	}
2297
2298	size_t pos = 0;
2299	size_t rest = slen;
2300	size_t ctl = 0;
2301	if (param->function == FP_MODIFY) ctl = strlen(param->change_to);
2302
2303	int inset = 1; // 1 -> check chars in charset, 0 -> check chars NOT in charset
2304	while (rest) {
2305	size_t count;
2306	if (pos >= flen) { // behind filter
2307	// trigger last loop
2308	count = rest;
2309	inset = 0; // if 'include' -> 'applies' will get false, otherwise true
2310	// (meaning is: behind filter nothing can match 'include' or 'exclude')
2311	}
2312	else {
2313	count = (inset ? strspn : strcspn)(filter+pos, charset); // count how many chars are 'inset'
2314	}
2315	if (count) {
2316	int applies = !!include == !!inset; // true -> 'filter' matches 'include' or doesn't match 'exclude'
2317	if (count>rest) count = rest;
2318
2319	switch (param->function) {
2320	case FP_FILTER:
2321	if (applies) GBS_strncat(out, seq+pos, count);
2322	break;
2323
2324	case FP_MODIFY:
2325	if (applies) { // then modify
2326	size_t i;
2327	for (i = 0; i<count; i++) {
2328	char c = seq[pos+i];
2329	if (isalpha(c) && GB_random(100)<param->change_pc) c = param->change_to[GB_random(ctl)];
2330	GBS_chrcat(out, c);
2331	}
2332	}
2333	else { // otherwise simply copy
2334	GBS_strncat(out, seq+pos, count);
2335	}
2336	break;
2337	}
2338
2339	pos += count;
2340	rest -= count;
2341	}
2342	inset = 1-inset; // toggle
2343	}
2344	return GBS_strclose(out);
2345	}
2346
2347	static GB_ERROR gbl_filter(GBL_command_arguments *args) {
2348	GBL_BEGIN_PARAMS;
2349	GBL_COMMON_FILTER_PARAMS;
2350
2351	filter_params param;
2352	GBL_STRUCT_PARAM_STRING(param, exclude, "exclude=", 0, "Exclude colums");
2353	GBL_STRUCT_PARAM_STRING(param, include, "include=", 0, "Include colums");
2354	param.function = FP_FILTER;
2355
2356	GBL_TRACE_PARAMS(args);
2357	GBL_END_PARAMS;
2358
2359	GB_ERROR error = 0;
2360	int inOrEx = !!param.include + !!param.exclude;
2361
2362	if (inOrEx != 1) error = "Need exactly one parameter of: 'include', 'exclude'";
2363	else error = apply_filters(args, &common_param, filter_seq, &param);
2364
2365	return error;
2366	}
2367
2368	static GB_ERROR gbl_change_gc(GBL_command_arguments *args) {
2369	GBL_BEGIN_PARAMS;
2370	GBL_COMMON_FILTER_PARAMS;
2371
2372	filter_params param;
2373	GBL_STRUCT_PARAM_STRING(param, exclude, "exclude=", 0, "Exclude colums");
2374	GBL_STRUCT_PARAM_STRING(param, include, "include=", 0, "Include colums");
2375	GBL_STRUCT_PARAM_INT (param, change_pc, "change=", 0, "percentage of changed columns (default: silently change nothing)");
2376	GBL_STRUCT_PARAM_STRING(param, change_to, "to=", "GC", "change to one of this");
2377	param.function = FP_MODIFY;
2378
2379	GBL_TRACE_PARAMS(args);
2380	GBL_END_PARAMS;
2381
2382	GB_ERROR error = 0;
2383	int inOrEx = !!param.include + !!param.exclude;
2384
2385	if (inOrEx != 1) error = "Need exactly one parameter of: 'include', 'exclude'";
2386	else {
2387	error = apply_filters(args, &common_param, filter_seq, &param);
2388	}
2389
2390	return error;
2391	}
2392
2393	static GB_ERROR gbl_exec(GBL_command_arguments *args) {
2394	GB_ERROR error = 0;
2395
2396	if (args->param.size()==0) {
2397	error = "exec needs parameters:\nexec(command[,arguments])";
2398	}
2399	else {
2400	// write inputstreams to temp file:
2401	char *inputname;
2402	int i;
2403	{
2404	char *filename = GB_unique_filename("arb_exec_input", "tmp");
2405	FILE *out = GB_fopen_tempfile(filename, "wt", &inputname);
2406
2407	if (!out) error = GB_await_error();
2408	else {
2409	for (i=0; i<args->input.size(); i++) {
2410	fprintf(out, "%s\n", args->input.get(i));
2411	}
2412	fclose(out);
2413	}
2414	free(filename);
2415	}
2416
2417	if (!error) {
2418	// build shell command to execute
2419	char *sys;
2420	{
2421	GBS_strstruct *str = GBS_stropen(1000);
2422
2423	GBS_strcat(str, args->param.get(0));
2424	for (i=1; i<args->param.size(); i++) {
2425	GBS_strcat(str, " \'");
2426	GBS_strcat(str, args->param.get(i));
2427	GBS_chrcat(str, '\'');
2428	}
2429	GBS_strcat(str, " <");
2430	GBS_strcat(str, inputname);
2431
2432	sys = GBS_strclose(str);
2433	}
2434
2435	char *result = 0;
2436	{
2437	FILE *in = popen(sys, "r");
2438	if (in) {
2439	GBS_strstruct *str = GBS_stropen(4096);
2440
2441	while ((i=getc(in)) != EOF) { GBS_chrcat(str, i); }
2442	result = GBS_strclose(str);
2443	pclose(in);
2444	}
2445	else {
2446	error = GBS_global_string("Cannot execute shell command '%s'", sys);
2447	}
2448	}
2449
2450	if (!error) {
2451	gb_assert(result);
2452	PASS_2_OUT(args, result);
2453	}
2454
2455	free(sys);
2456	}
2457
2458	gb_assert(GB_is_privatefile(inputname, false));
2459	GB_unlink_or_warn(inputname, &error);
2460	free(inputname);
2461	}
2462
2463	return error;
2464	}
2465
2466
2467	static GBL_command_table gbl_command_table[] = {
2468	{ "ali_name", gbl_ali_name },
2469	{ "caps", gbl_string_convert },
2470	{ "change", gbl_change_gc },
2471	{ "checksum", gbl_checksum },
2472	{ "command", gbl_command },
2473	{ "compare", gbl_compare },
2474	{ "icompare", gbl_icompare },
2475	{ "contains", gbl_contains },
2476	{ "icontains", gbl_icontains },
2477	{ "count", gbl_count },
2478	{ "crop", gbl_crop },
2479	{ "cut", gbl_cut },
2480	{ "dd", gbl_dd },
2481	{ "define", gbl_define },
2482	{ "diff", gbl_diff },
2483	{ "div", gbl_div },
2484	{ "do", gbl_do },
2485	{ "drop", gbl_drop },
2486	{ "dropempty", gbl_dropempty },
2487	{ "dropzero", gbl_dropzero },
2488	{ "echo", gbl_echo },
2489	{ "equals", gbl_equals },
2490	{ "iequals", gbl_iequals },
2491	{ "escape", gbl_escape },
2492	{ "unescape", gbl_unescape },
2493	{ "eval", gbl_eval },
2494	{ "exec", gbl_exec },
2495	{ "export_sequence", gbl_export_sequence },
2496	{ "extract_sequence", gbl_extract_sequence },
2497	{ "extract_words", gbl_extract_words },
2498	{ "filter", gbl_filter },
2499	{ "format", gbl_format_sequence },
2500	{ "format_sequence", gbl_format_sequence },
2501	{ "gcgchecksum", gbl_gcgcheck },
2502	{ "head", gbl_head },
2503	{ "keep", gbl_keep },
2504	{ "left", gbl_head },
2505	{ "len", gbl_len },
2506	{ "lower", gbl_string_convert },
2507	{ "merge", gbl_merge },
2508	{ "mid", gbl_mid },
2509	{ "mid0", gbl_mid0 },
2510	{ "minus", gbl_minus },
2511	{ "mult", gbl_mult },
2512	{ "origin_gene", gbl_origin },
2513	{ "origin_organism", gbl_origin },
2514	{ "partof", gbl_partof },
2515	{ "ipartof", gbl_ipartof },
2516	{ "per_cent", gbl_per_cent },
2517	{ "plus", gbl_plus },
2518	{ "pretab", gbl_pretab },
2519	{ "quote", gbl_quote },
2520	{ "unquote", gbl_unquote },
2521	{ "readdb", gbl_readdb },
2522	{ "remove", gbl_remove },
2523	{ "rest", gbl_rest },
2524	{ "right", gbl_tail },
2525	{ "select", gbl_select },
2526	{ "sequence", gbl_sequence },
2527	{ "sequence_type", gbl_sequence_type },
2528	{ "split", gbl_split },
2529	{ "srt", gbl_srt },
2530	{ "streams", gbl_streams },
2531	{ "swap", gbl_swap },
2532	{ "tab", gbl_tab },
2533	{ "tail", gbl_tail },
2534	{ "taxonomy", gbl_taxonomy },
2535	{ "toback", gbl_toback },
2536	{ "tofront", gbl_tofront },
2537	{ "trace", gbl_trace },
2538	{ "translate", gbl_translate },
2539	{ "upper", gbl_string_convert },
2540	{ 0, 0 }
2541
2542	};
2543
2544	void gbl_install_standard_commands(GBDATA *gb_main) {
2545	gb_install_command_table(gb_main, gbl_command_table, ARRAY_ELEMS(gbl_command_table));
2546	}

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