uniread.cpp@ 977

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1	/* $Id: uniread.cpp 1 1970-01-01 00:00:00Z vboxsync $ */
2	/** @file
3	* InnoTek Portable Runtime - Unicode Specification Reader.
4	*/
5
6	/*
7	* Copyright (C) 2006 InnoTek Systemberatung GmbH
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License as published by the Free Software Foundation,
13	* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14	* distribution. VirtualBox OSE is distributed in the hope that it will
15	* be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* If you received this file as part of a commercial VirtualBox
18	* distribution, then only the terms of your commercial VirtualBox
19	* license agreement apply instead of the previous paragraph.
20	*/
21
22	/*******************************************************************************
23	* Header Files *
24	*******************************************************************************/
25	#include <iprt/types.h>
26	#include <iprt/stdarg.h>
27
28	#include <stdio.h>
29	#include <string.h>
30	#include <stdlib.h>
31
32
33	/**
34	* Strip a line.
35	* @returns pointer to first non-blank char.
36	* @param pszLine The line string to strip.
37	*/
38	static char StripLine(char pszLine)
39	{
40	while (pszLine == ' ' \|\| pszLine == '\t')
41	pszLine++;
42
43	char *psz = strchr(pszLine, '#');
44	if (psz)
45	*psz = '\0';
46	else
47	psz = strchr(pszLine, '\0');
48	while (psz > pszLine)
49	{
50	switch (psz[-1])
51	{
52	case ' ':
53	case '\t':
54	case '\n':
55	case '\r':
56	*--psz = '\0';
57	continue;
58	}
59	break;
60	}
61
62	return pszLine;
63	}
64
65
66	/**
67	* Checks if the line is blank or a comment line and should be skipped.
68	* @returns true/false.
69	* @param pszLine The line to consider.
70	*/
71	static bool IsCommentOrBlankLine(const char *pszLine)
72	{
73	while (pszLine == ' ' \|\| pszLine == '\t' \|\| pszLine == '\n' \|\| pszLine == '\r')
74	pszLine++;
75	return pszLine == '#' \|\| pszLine == '\0';
76	}
77
78
79	/**
80	* Get the first field in the string.
81	*
82	* @returns Pointer to the next field.
83	* @param ppsz Where to store the pointer to the next field.
84	* @param pszLine The line string. (could also be *ppsz from a FirstNext call)
85	*/
86	static char FirstField(char ppsz, char pszLine)
87	{
88	char *psz = strchr(pszLine, ';');
89	if (!psz)
90	*ppsz = psz = strchr(pszLine, '\0');
91	else
92	{
93	*psz = '\0';
94	*ppsz = psz + 1;
95	}
96
97	/* strip */
98	while (pszLine == ' ' \|\| pszLine == '\t' \|\| pszLine == '\r' \|\| pszLine == '\n')
99	pszLine++;
100	while (psz > pszLine)
101	{
102	switch (psz[-1])
103	{
104	case ' ':
105	case '\t':
106	case '\n':
107	case '\r':
108	*--psz = '\0';
109	continue;
110	}
111	break;
112	}
113	return pszLine;
114	}
115
116
117	/**
118	* Get the next field in a field enumeration.
119	*
120	* @returns Pointer to the next field.
121	* @param ppsz Where to get and store the string postition.
122	*/
123	static char NextField(char *ppsz)
124	{
125	return FirstField(ppsz, *ppsz);
126	}
127
128
129	/**
130	* Converts a code point field to a number.
131	* @returns Code point.
132	* @param psz The field string.
133	*/
134	static RTUNICP ToNum(const char *psz)
135	{
136	char *pszEnd = NULL;
137	unsigned long ul = strtoul(psz, &pszEnd, 16);
138	if (pszEnd && *pszEnd)
139	fprintf(stderr, "warning: failed converting '%s' to a number!\n", psz);
140	return (RTUNICP)ul;
141	}
142
143
144	/**
145	* Same as ToNum except that if the field is empty the Default is returned.
146	*/
147	static RTUNICP ToNumDefault(const char *psz, RTUNICP Default)
148	{
149	if (*psz)
150	return ToNum(psz);
151	return Default;
152	}
153
154
155	/**
156	* Converts a code point range to numbers.
157	* @returns The start code point.\
158	* @returns ~(RTUNICP)0 on failure.
159	* @param psz The field string.
160	* @param pLast Where to store the last code point in the range.
161	*/
162	static RTUNICP ToRange(const char *psz, PRTUNICP pLast)
163	{
164	char *pszEnd = NULL;
165	unsigned long ulStart = strtoul(psz, &pszEnd, 16);
166	unsigned long ulLast = ulStart;
167	if (pszEnd && *pszEnd)
168	{
169	if (*pszEnd == '.')
170	{
171	while (*pszEnd == '.')
172	pszEnd++;
173	ulLast = strtoul(pszEnd, &pszEnd, 16);
174	if (pszEnd && *pszEnd)
175	{
176	fprintf(stderr, "warning: failed converting '%s' to a number!\n", psz);
177	return ~(RTUNICP)0;
178	}
179	}
180	else
181	{
182	fprintf(stderr, "warning: failed converting '%s' to a number!\n", psz);
183	return ~(RTUNICP)0;
184	}
185	}
186	*pLast = (RTUNICP)ulLast;
187	return (RTUNICP)ulStart;
188
189	}
190
191
192	/**
193	* Duplicate a string, optimize certain strings to save memory.
194	*
195	* @returns Pointer to string copy.
196	* @param pszStr The string to duplicate.
197	*/
198	static char DupStr(char pszStr)
199	{
200	if (!*pszStr)
201	return "";
202	char *psz = strdup(pszStr);
203	if (psz)
204	return psz;
205
206	fprintf(stderr, "out of memory!\n");
207	exit(1);
208	}
209
210
211	/**
212	* Array of all possible and impossible unicode code points as of 4.1
213	*/
214	struct CPINFO
215	{
216	RTUNICP CodePoint;
217	RTUNICP SimpleUpperCaseMapping;
218	RTUNICP SimpleLowerCaseMapping;
219	RTUNICP SimpleTitleCaseMapping;
220	char *pszName;
221	/** Set if this is an unused entry */
222	unsigned fNullEntry : 1;
223
224	unsigned fAlphabetic : 1;
225	unsigned fASCIIHexDigit : 1;
226	unsigned fBidiControl : 1;
227	unsigned fDash : 1;
228	unsigned fDefaultIgnorableCodePoint : 1;
229	unsigned fDeprecated : 1;
230	unsigned fDiacritic : 1;
231	unsigned fExtender : 1;
232	unsigned fGraphemeBase : 1;
233	unsigned fGraphemeExtend : 1;
234	unsigned fGraphemeLink : 1;
235	unsigned fHexDigit : 1;
236	unsigned fHyphen : 1;
237	unsigned fIDContinue : 1;
238	unsigned fIdeographic : 1;
239	unsigned fIDSBinaryOperator : 1;
240	unsigned fIDStart : 1;
241	unsigned fIDSTrinaryOperator : 1;
242	unsigned fJoinControl : 1;
243	unsigned fLogicalOrderException : 1;
244	unsigned fLowercase : 1;
245	unsigned fMath : 1;
246	unsigned fNoncharacterCodePoint : 1;
247	unsigned fOtherAlphabetic : 1;
248	unsigned fOtherDefaultIgnorableCodePoint : 1;
249	unsigned fOtherGraphemeExtend : 1;
250	unsigned fOtherIDContinue : 1;
251	unsigned fOtherIDStart : 1;
252	unsigned fOtherLowercase : 1;
253	unsigned fOtherMath : 1;
254	unsigned fOtherUppercase : 1;
255	unsigned fPatternSyntax : 1;
256	unsigned fPatternWhiteSpace : 1;
257	unsigned fQuotationMark : 1;
258	unsigned fRadical : 1;
259	unsigned fSoftDotted : 1;
260	unsigned fSTerm : 1;
261	unsigned fTerminalPunctuation : 1;
262	unsigned fUnifiedIdeograph : 1;
263	unsigned fUppercase : 1;
264	unsigned fVariationSelector : 1;
265	unsigned fWhiteSpace : 1;
266	unsigned fXIDContinue : 1;
267	unsigned fXIDStart : 1;
268
269	/* unprocess stuff, so far. */
270	char *pszGeneralCategory;
271	char *pszCanonicalCombiningClass;
272	char *pszBidiClass;
273	char *pszDecompositionType;
274	char *pszDecompositionMapping;
275	char *pszNumericType;
276	char *pszNumericValue;
277	char *pszBidiMirrored;
278	char *pszUnicode1Name;
279	char *pszISOComment;
280	} g_aCPInfo[0xf0000];
281
282
283	/**
284	* Creates a 'null' entry at i.
285	* @param i The entry in question.
286	*/
287	static void NullEntry(unsigned i)
288	{
289	g_aCPInfo[i].CodePoint = i;
290	g_aCPInfo[i].fNullEntry = 1;
291	g_aCPInfo[i].pszName = "";
292	g_aCPInfo[i].SimpleUpperCaseMapping = i;
293	g_aCPInfo[i].SimpleLowerCaseMapping = i;
294	g_aCPInfo[i].SimpleTitleCaseMapping = i;
295	g_aCPInfo[i].pszGeneralCategory = "";
296	g_aCPInfo[i].pszCanonicalCombiningClass = "";
297	g_aCPInfo[i].pszBidiClass = "";
298	g_aCPInfo[i].pszDecompositionType = "";
299	g_aCPInfo[i].pszDecompositionMapping = "";
300	g_aCPInfo[i].pszNumericType = "";
301	g_aCPInfo[i].pszNumericValue = "";
302	g_aCPInfo[i].pszBidiMirrored = "";
303	g_aCPInfo[i].pszUnicode1Name = "";
304	g_aCPInfo[i].pszISOComment = "";
305	}
306
307
308	/**
309	* Read the UnicodeData.txt file.
310	* @returns 0 on success.
311	* @returns !0 on failure.
312	* @param pszFilename The name of the file.
313	*/
314	static int ReadUnicodeData(const char *pszFilename)
315	{
316	/*
317	* Open input.
318	*/
319	FILE *pFile = fopen(pszFilename, "r");
320	if (!pFile)
321	{
322	printf("uniread: failed to open '%s' for reading\n", pszFilename);
323	return 1;
324	}
325
326	/*
327	* Parse the input and spit out the output.
328	*/
329	char szLine[4096];
330	RTUNICP i = 0;
331	while (fgets(szLine, sizeof(szLine), pFile) != NULL)
332	{
333	if (IsCommentOrBlankLine(szLine))
334	continue;
335
336	char *pszCurField;
337	char pszCodePoint = FirstField(&pszCurField, StripLine(szLine)); / 0 */
338	char pszName = NextField(&pszCurField); / 1 */
339	char pszGeneralCategory = NextField(&pszCurField); / 2 */
340	char pszCanonicalCombiningClass = NextField(&pszCurField); / 3 */
341	char pszBidiClass = NextField(&pszCurField); / 4 */
342	char pszDecompositionType = NextField(&pszCurField); / 5 */
343	char pszDecompositionMapping = NextField(&pszCurField); / 6 */
344	char pszNumericType = NextField(&pszCurField); / 7 */
345	char pszNumericValue = NextField(&pszCurField); / 8 */
346	char pszBidiMirrored = NextField(&pszCurField); / 9 */
347	char pszUnicode1Name = NextField(&pszCurField); / 10 */
348	char pszISOComment = NextField(&pszCurField); / 11 */
349	char pszSimpleUpperCaseMapping = NextField(&pszCurField); / 12 */
350	char pszSimpleLowerCaseMapping = NextField(&pszCurField); / 13 */
351	char pszSimpleTitleCaseMapping = NextField(&pszCurField); / 14 */
352
353	RTUNICP CodePoint = ToNum(pszCodePoint);
354	if (CodePoint >= ELEMENTS(g_aCPInfo))
355	continue;
356
357	/* catchup? */
358	while (i < CodePoint)
359	NullEntry(i++);
360	if (i != CodePoint)
361	{
362	fprintf(stderr, "unitest: error: i=%d CodePoint=%u\n", i, CodePoint);
363	fclose(pFile);
364	return 1;
365	}
366
367	/* this one */
368	g_aCPInfo[i].CodePoint = i;
369	g_aCPInfo[i].fNullEntry = 0;
370	g_aCPInfo[i].pszName = DupStr(pszName);
371	g_aCPInfo[i].SimpleUpperCaseMapping = ToNumDefault(pszSimpleUpperCaseMapping, CodePoint);
372	g_aCPInfo[i].SimpleLowerCaseMapping = ToNumDefault(pszSimpleLowerCaseMapping, CodePoint);
373	g_aCPInfo[i].SimpleTitleCaseMapping = ToNumDefault(pszSimpleTitleCaseMapping, CodePoint);
374	g_aCPInfo[i].pszGeneralCategory = DupStr(pszGeneralCategory);
375	g_aCPInfo[i].pszCanonicalCombiningClass = DupStr(pszCanonicalCombiningClass);
376	g_aCPInfo[i].pszBidiClass = DupStr(pszBidiClass);
377	g_aCPInfo[i].pszDecompositionType = DupStr(pszDecompositionType);
378	g_aCPInfo[i].pszDecompositionMapping = DupStr(pszDecompositionMapping);
379	g_aCPInfo[i].pszNumericType = DupStr(pszNumericType);
380	g_aCPInfo[i].pszNumericValue = DupStr(pszNumericValue);
381	g_aCPInfo[i].pszBidiMirrored = DupStr(pszBidiMirrored);
382	g_aCPInfo[i].pszUnicode1Name = DupStr(pszUnicode1Name);
383	g_aCPInfo[i].pszISOComment = DupStr(pszISOComment);
384	i++;
385	}
386	/* catchup? */
387	while (i < ELEMENTS(g_aCPInfo))
388	NullEntry(i++);
389	fclose(pFile);
390
391	return 0;
392	}
393
394
395	/**
396	* Applies a property to a code point.
397	*
398	* @param StartCP The code point.
399	* @param pszProperty The property name.
400	*/
401	static void ApplyProperty(RTUNICP StartCP, const char *pszProperty)
402	{
403	if (StartCP >= ELEMENTS(g_aCPInfo))
404	return;
405	struct CPINFO *pCPInfo = &g_aCPInfo[StartCP];
406	/* string switch */
407	if (!strcmp(pszProperty, "ASCII_Hex_Digit")) pCPInfo->fASCIIHexDigit = 1;
408	else if (!strcmp(pszProperty, "Bidi_Control")) pCPInfo->fBidiControl = 1;
409	else if (!strcmp(pszProperty, "Dash")) pCPInfo->fDash = 1;
410	else if (!strcmp(pszProperty, "Deprecated")) pCPInfo->fDeprecated = 1;
411	else if (!strcmp(pszProperty, "Diacritic")) pCPInfo->fDiacritic = 1;
412	else if (!strcmp(pszProperty, "Extender")) pCPInfo->fExtender = 1;
413	else if (!strcmp(pszProperty, "Grapheme_Link")) pCPInfo->fGraphemeLink = 1;
414	else if (!strcmp(pszProperty, "Hex_Digit")) pCPInfo->fHexDigit = 1;
415	else if (!strcmp(pszProperty, "Hyphen")) pCPInfo->fHyphen = 1;
416	else if (!strcmp(pszProperty, "Ideographic")) pCPInfo->fIdeographic = 1;
417	else if (!strcmp(pszProperty, "IDS_Binary_Operator")) pCPInfo->fIDSBinaryOperator = 1;
418	else if (!strcmp(pszProperty, "IDS_Trinary_Operator")) pCPInfo->fIDSTrinaryOperator = 1;
419	else if (!strcmp(pszProperty, "Join_Control")) pCPInfo->fJoinControl = 1;
420	else if (!strcmp(pszProperty, "Logical_Order_Exception")) pCPInfo->fLogicalOrderException = 1;
421	else if (!strcmp(pszProperty, "Noncharacter_Code_Point")) pCPInfo->fNoncharacterCodePoint = 1;
422	else if (!strcmp(pszProperty, "Other_Alphabetic")) pCPInfo->fOtherAlphabetic = 1;
423	else if (!strcmp(pszProperty, "Other_Default_Ignorable_Code_Point")) pCPInfo->fOtherDefaultIgnorableCodePoint = 1;
424	else if (!strcmp(pszProperty, "Other_Grapheme_Extend")) pCPInfo->fOtherGraphemeExtend = 1;
425	else if (!strcmp(pszProperty, "Other_ID_Continue")) pCPInfo->fOtherIDContinue = 1;
426	else if (!strcmp(pszProperty, "Other_ID_Start")) pCPInfo->fOtherIDStart = 1;
427	else if (!strcmp(pszProperty, "Other_Lowercase")) pCPInfo->fOtherLowercase = 1;
428	else if (!strcmp(pszProperty, "Other_Math")) pCPInfo->fOtherMath = 1;
429	else if (!strcmp(pszProperty, "Other_Uppercase")) pCPInfo->fOtherUppercase = 1;
430	else if (!strcmp(pszProperty, "Alphabetic")) pCPInfo->fAlphabetic = 1;
431	else if (!strcmp(pszProperty, "Default_Ignorable_Code_Point")) pCPInfo->fDefaultIgnorableCodePoint = 1;
432	else if (!strcmp(pszProperty, "Grapheme_Base")) pCPInfo->fGraphemeBase = 1;
433	else if (!strcmp(pszProperty, "Grapheme_Extend")) pCPInfo->fGraphemeExtend = 1;
434	else if (!strcmp(pszProperty, "ID_Continue")) pCPInfo->fIDContinue = 1;
435	else if (!strcmp(pszProperty, "ID_Start")) pCPInfo->fIDStart = 1;
436	else if (!strcmp(pszProperty, "XID_Continue")) pCPInfo->fXIDContinue = 1;
437	else if (!strcmp(pszProperty, "XID_Start")) pCPInfo->fXIDStart = 1;
438	else if (!strcmp(pszProperty, "Lowercase")) pCPInfo->fLowercase = 1;
439	else if (!strcmp(pszProperty, "Math")) pCPInfo->fMath = 1;
440	else if (!strcmp(pszProperty, "Uppercase")) pCPInfo->fUppercase = 1;
441	else if (!strcmp(pszProperty, "Pattern_Syntax")) pCPInfo->fPatternSyntax = 1;
442	else if (!strcmp(pszProperty, "Pattern_White_Space")) pCPInfo->fPatternWhiteSpace = 1;
443	else if (!strcmp(pszProperty, "Quotation_Mark")) pCPInfo->fQuotationMark = 1;
444	else if (!strcmp(pszProperty, "Radical")) pCPInfo->fRadical = 1;
445	else if (!strcmp(pszProperty, "Soft_Dotted")) pCPInfo->fSoftDotted = 1;
446	else if (!strcmp(pszProperty, "STerm")) pCPInfo->fSTerm = 1;
447	else if (!strcmp(pszProperty, "Terminal_Punctuation")) pCPInfo->fTerminalPunctuation = 1;
448	else if (!strcmp(pszProperty, "Unified_Ideograph")) pCPInfo->fUnifiedIdeograph = 1;
449	else if (!strcmp(pszProperty, "Variation_Selector")) pCPInfo->fVariationSelector = 1;
450	else if (!strcmp(pszProperty, "White_Space")) pCPInfo->fWhiteSpace = 1;
451	else
452	fprintf(stderr, "uniread: Unknown property '%s'\n", pszProperty);
453	}
454
455
456	/**
457	* Reads a property file.
458	*
459	* There are several property files, this code can read all
460	* of those but will only make use of the properties it recognizes.
461	*
462	* @returns 0 on success.
463	* @returns !0 on failure.
464	* @param pszFilename The name of the file.
465	*/
466	static int ReadProperties(const char *pszFilename)
467	{
468	/*
469	* Open input.
470	*/
471	FILE *pFile = fopen(pszFilename, "r");
472	if (!pFile)
473	{
474	printf("uniread: failed to open '%s' for reading\n", pszFilename);
475	return 1;
476	}
477
478	/*
479	* Parse the input and spit out the output.
480	*/
481	char szLine[4096];
482	while (fgets(szLine, sizeof(szLine), pFile) != NULL)
483	{
484	if (IsCommentOrBlankLine(szLine))
485	continue;
486	char *pszCurField;
487	char *pszRange = FirstField(&pszCurField, StripLine(szLine));
488	char *pszProperty = NextField(&pszCurField);
489	if (!*pszProperty)
490	continue;
491
492	RTUNICP LastCP;
493	RTUNICP StartCP = ToRange(pszRange, &LastCP);
494	if (StartCP == ~(RTUNICP)0)
495	continue;
496
497	while (StartCP <= LastCP)
498	ApplyProperty(StartCP++, pszProperty);
499	}
500
501	fclose(pFile);
502
503	return 0;
504	}
505
506
507	/**
508	* Append a flag to the string.
509	*/
510	static char AppendFlag(char psz, const char *pszFlag)
511	{
512	char *pszEnd = strchr(psz, '\0');
513	if (pszEnd != psz)
514	{
515	*pszEnd++ = ' ';
516	*pszEnd++ = '\|';
517	*pszEnd++ = ' ';
518	}
519	strcpy(pszEnd, pszFlag);
520	return psz;
521	}
522
523	/**
524	* Calcs the flags for a code point.
525	* @returns true if there is a flag.
526	* @returns false if the isn't.
527	*/
528	static bool CalcFlags(struct CPINFO pInfo, char pszFlags)
529	{
530	pszFlags[0] = '\0';
531	/** @todo read the specs on this other vs standard stuff, and check out the finer points */
532	if (pInfo->fAlphabetic \|\| pInfo->fOtherAlphabetic)
533	AppendFlag(pszFlags, "RTUNI_ALPHA");
534	if (pInfo->fHexDigit \|\| pInfo->fASCIIHexDigit)
535	AppendFlag(pszFlags, "RTUNI_XDIGIT");
536	if (!strcmp(pInfo->pszGeneralCategory, "Nd"))
537	AppendFlag(pszFlags, "RTUNI_DDIGIT");
538	if (pInfo->fWhiteSpace)
539	AppendFlag(pszFlags, "RTUNI_WSPACE");
540	if (pInfo->fUppercase \|\| pInfo->fOtherUppercase)
541	AppendFlag(pszFlags, "RTUNI_UPPER");
542	if (pInfo->fLowercase \|\| pInfo->fOtherLowercase)
543	AppendFlag(pszFlags, "RTUNI_LOWER");
544	//if (pInfo->fNumeric)
545	// AppendFlag(pszFlags, "RTUNI_NUMERIC");
546	if (!*pszFlags)
547	{
548	pszFlags[0] = '0';
549	pszFlags[1] = '\0';
550	return false;
551	}
552	return true;
553	}
554
555	/** the data store for stream two. */
556	static char g_szStream2[10240];
557	static unsigned g_offStream2 = 0;
558
559	/**
560	* Initializes the 2nd steam.
561	*/
562	static void Stream2Init(void)
563	{
564	g_szStream2[0] = '\0';
565	g_offStream2 = 0;
566	}
567
568	/**
569	* Flushes the 2nd stream to stdout.
570	*/
571	static int Stream2Flush(void)
572	{
573	fwrite(g_szStream2, 1, g_offStream2, stdout);
574	return 0;
575	}
576
577	/**
578	* printf to the 2nd stream.
579	*/
580	static int Stream2Printf(const char *pszFormat, ...)
581	{
582	va_list va;
583	va_start(va, pszFormat);
584	int cch = vsprintf(&g_szStream2[g_offStream2], pszFormat, va);
585	va_end(va);
586	g_offStream2 += cch;
587	if (g_offStream2 >= sizeof(g_szStream2))
588	{
589	fprintf(stderr, "error: stream2 overflow!\n");
590	exit(1);
591	}
592	return cch;
593	}
594
595
596	/**
597	* Print the unidata.cpp file header and include list.
598	*/
599	int PrintHeader(const char *argv0)
600	{
601	/*
602	* Print file header.
603	*/
604	printf("/** @file\n"
605	" *\n"
606	" * InnoTek Portable Runtime - Unicode Tables\n"
607	" *\n"
608	" * Automatically Generated by %s (" __DATE__ " " __TIME__ ")\n"
609	" */\n\n"
610	"/*\n"
611	" * Copyright (C) 2006 InnoTek Systemberatung GmbH\n"
612	" *\n"
613	" * This file is part of VirtualBox Open Source Edition (OSE), as\n"
614	" * available from http://www.virtualbox.org. This file is free software;\n"
615	" * you can redistribute it and/or modify it under the terms of the GNU\n"
616	" * General Public License as published by the Free Software Foundation,\n"
617	" * in version 2 as it comes in the \"COPYING\" file of the VirtualBox OSE\n"
618	" * distribution. VirtualBox OSE is distributed in the hope that it will\n"
619	" * be useful, but WITHOUT ANY WARRANTY of any kind.\n"
620	" *\n"
621	" * If you received this file as part of a commercial VirtualBox\n"
622	" * distribution, then only the terms of your commercial VirtualBox\n"
623	" * license agreement apply instead of the previous paragraph.\n"
624	" */\n"
625	"\n"
626	"#include <iprt/uni.h>\n"
627	"\n",
628	argv0);
629	return 0;
630	}
631
632
633	/**
634	* Print the flag tables.
635	*/
636	int PrintFlags(void)
637	{
638	/*
639	* Print flags table.
640	*/
641	Stream2Init();
642	Stream2Printf("const RTUNIFLAGSRANGE g_aRTUniFlagRanges[] =\n"
643	"{\n");
644	RTUNICP i = 0;
645	int iStart = -1;
646	while (i < ELEMENTS(g_aCPInfo))
647	{
648	/* figure how far off the next chunk is */
649	char szFlags[256];
650	unsigned iNonNull = i;
651	while ( (g_aCPInfo[iNonNull].fNullEntry \|\| !CalcFlags(&g_aCPInfo[iNonNull], szFlags))
652	&& iNonNull < ELEMENTS(g_aCPInfo)
653	&& iNonNull >= 256)
654	iNonNull++;
655	if (iNonNull - i > 4096 \|\| iNonNull == ELEMENTS(g_aCPInfo))
656	{
657	if (iStart >= 0)
658	{
659	printf("};\n\n");
660	Stream2Printf(" { 0x%06x, 0x%06x, &g_afRTUniFlags0x%06x[0] },\n", iStart, i, iStart);
661	iStart = -1;
662	}
663	i = iNonNull;
664	}
665	else
666	{
667	if (iStart < 0)
668	{
669	printf("static const uint8_t g_afRTUniFlags0x%06x[] = \n"
670	"{\n", i);
671	iStart = i;
672	}
673	CalcFlags(&g_aCPInfo[i], szFlags);
674	printf(" %50s, /* U+%06x: %s*/\n", szFlags, g_aCPInfo[i].CodePoint, g_aCPInfo[i].pszName);
675	i++;
676	}
677	}
678	Stream2Printf(" { ~(RTUNICP)0, ~(RTUNICP)0, NULL }\n"
679	"};\n\n\n");
680	printf("\n");
681	return Stream2Flush();
682	}
683
684
685	/**
686	* Prints the upper case tables.
687	*/
688	static int PrintUpper(void)
689	{
690	Stream2Init();
691	Stream2Printf("const RTUNICASERANGE g_aRTUniUpperRanges[] =\n"
692	"{\n");
693	RTUNICP i = 0;
694	int iStart = -1;
695	while (i < ELEMENTS(g_aCPInfo))
696	{
697	/* figure how far off the next chunk is */
698	unsigned iSameCase = i;
699	while ( g_aCPInfo[iSameCase].SimpleUpperCaseMapping == g_aCPInfo[iSameCase].CodePoint
700	&& iSameCase < ELEMENTS(g_aCPInfo)
701	&& iSameCase >= 256)
702	iSameCase++;
703	if (iSameCase - i > 4096/sizeof(RTUNICP) \|\| iSameCase == ELEMENTS(g_aCPInfo))
704	{
705	if (iStart >= 0)
706	{
707	printf("};\n\n");
708	Stream2Printf(" { 0x%06x, 0x%06x, &g_afRTUniUpper0x%06x[0] },\n", iStart, i, iStart);
709	iStart = -1;
710	}
711	i = iSameCase;
712	}
713	else
714	{
715	if (iStart < 0)
716	{
717	printf("static const RTUNICP g_afRTUniUpper0x%06x[] = \n"
718	"{\n", i);
719	iStart = i;
720	}
721	printf(" 0x%02x, /* U+%06x: %s*/\n", g_aCPInfo[i].SimpleUpperCaseMapping, g_aCPInfo[i].CodePoint, g_aCPInfo[i].pszName);
722	i++;
723	}
724	}
725	Stream2Printf(" { ~(RTUNICP)0, ~(RTUNICP)0, NULL }\n"
726	"};\n\n\n");
727	printf("\n");
728	return Stream2Flush();
729	}
730
731
732	/**
733	* Prints the lowercase tables.
734	*/
735	static int PrintLower(void)
736	{
737	Stream2Init();
738	Stream2Printf("const RTUNICASERANGE g_aRTUniLowerRanges[] =\n"
739	"{\n");
740	RTUNICP i = 0;
741	int iStart = -1;
742	while (i < ELEMENTS(g_aCPInfo))
743	{
744	/* figure how far off the next chunk is */
745	unsigned iSameCase = i;
746	while ( g_aCPInfo[iSameCase].SimpleLowerCaseMapping == g_aCPInfo[iSameCase].CodePoint
747	&& iSameCase < ELEMENTS(g_aCPInfo)
748	&& iSameCase >= 256)
749	iSameCase++;
750	if (iSameCase - i > 4096/sizeof(RTUNICP) \|\| iSameCase == ELEMENTS(g_aCPInfo))
751	{
752	if (iStart >= 0)
753	{
754	printf("};\n\n");
755	Stream2Printf(" { 0x%06x, 0x%06x, &g_afRTUniLower0x%06x[0] },\n", iStart, i, iStart);
756	iStart = -1;
757	}
758	i = iSameCase;
759	}
760	else
761	{
762	if (iStart < 0)
763	{
764	printf("static const RTUNICP g_afRTUniLower0x%06x[] = \n"
765	"{\n", i);
766	iStart = i;
767	}
768	printf(" 0x%02x, /* U+%06x: %s*/\n", g_aCPInfo[i].SimpleLowerCaseMapping, g_aCPInfo[i].CodePoint, g_aCPInfo[i].pszName);
769	i++;
770	}
771	}
772	Stream2Printf(" { ~(RTUNICP)0, ~(RTUNICP)0, NULL }\n"
773	"};\n\n\n");
774	printf("\n");
775	return Stream2Flush();
776	}
777
778
779	int main(int argc, char **argv)
780	{
781	/*
782	* Parse args.
783	*/
784	if (argc <= 1)
785	{
786	printf("usage: %s [UnicodeData.txt [DerivedCoreProperties.txt [PropList.txt]]]\n", argv[0]);
787	return 1;
788	}
789
790	const char *pszUnicodeData = "UnicodeData.txt";
791	const char *pszDerivedCoreProperties = "DerivedCoreProperties.txt";
792	const char *pszPropList = "PropList.txt";
793	int iFile = 0;
794	for (int argi = 1; argi < argc; argi++)
795	{
796	if (argv[argi][0] != '-')
797	{
798	switch (iFile++)
799	{
800	case 0: pszUnicodeData = argv[argi]; break;
801	case 1: pszDerivedCoreProperties = argv[argi]; break;
802	case 2: pszPropList = argv[argi]; break;
803	default:
804	printf("uniread: syntax error at '%s': too many filenames\n", argv[argi]);
805	return 1;
806	}
807	}
808	else
809	{
810	printf("uniread: syntax error at '%s': Unknown argument\n", argv[argi]);
811	return 1;
812	}
813	}
814
815	/*
816	* Read the data.
817	*/
818	int rc = ReadUnicodeData(pszUnicodeData);
819	if (rc)
820	return rc;
821	rc = ReadProperties(pszPropList);
822	if (rc)
823	return rc;
824	rc = ReadProperties(pszDerivedCoreProperties);
825	if (rc)
826	return rc;
827
828	/*
829	* Print stuff.
830	*/
831	rc = PrintHeader(argv[0]);
832	if (rc)
833	return rc;
834	rc = PrintFlags();
835	if (rc)
836	return rc;
837	rc = PrintUpper();
838	if (rc)
839	return rc;
840	rc = PrintLower();
841	if (rc)
842	return rc;
843
844	/* done */
845	fflush(stdout);
846
847	return rc;
848	}
849

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source: vbox/trunk/src/VBox/Runtime/uniread.cpp@ 977

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