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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4  *******************************************************************************
5  *
6  *   Copyright (C) 1999-2013, International Business Machines
7  *   Corporation and others.  All Rights Reserved.
8  *
9  *******************************************************************************
10  *   file name:  gendata.cpp
11  *
12  *   created on: 11/03/2000
13  *   created by: Eric R. Mader
14  */
15 
16 #include <stdio.h>
17 #include <string.h>
18 #include <time.h>
19 
20 #include "unicode/utypes.h"
21 #include "unicode/unistr.h"
22 #include "unicode/uscript.h"
23 #include "unicode/ubidi.h"
24 #include "unicode/ustring.h"
25 
26 #include "layout/LETypes.h"
27 #include "layout/LEScripts.h"
28 #include "layout/LayoutEngine.h"
29 
30 #include "PortableFontInstance.h"
31 #include "SimpleFontInstance.h"
32 
33 #include "xmlparser.h"
34 
35 #include "letsutil.h"
36 #include "letest.h"
37 
38 U_NAMESPACE_USE
39 
40 static LEErrorCode overallStatus = LE_NO_ERROR;
41 struct TestInput
42 {
43     const char *fontName;
44     LEUnicode  *text;
45     le_int32    textLength;
46     le_int32    scriptCode;
47     le_bool     rightToLeft;
48 };
49 
50 /* Returns the path to icu/source/test/testdata/ */
getSourceTestData()51 const char *getSourceTestData() {
52     const char *srcDataDir = NULL;
53 #ifdef U_TOPSRCDIR
54     srcDataDir =  U_TOPSRCDIR  U_FILE_SEP_STRING "test" U_FILE_SEP_STRING "testdata" U_FILE_SEP_STRING;
55 #else
56     srcDataDir = ".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING;
57     FILE *f = fopen(".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING"rbbitst.txt", "r");
58 
59     if (f != NULL) {
60         /* We're in icu/source/test/letest/ */
61         fclose(f);
62     } else {
63         /* We're in icu/source/test/letest/(Debug|Release) */
64         srcDataDir = ".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING;
65     }
66 #endif
67 
68     return srcDataDir;
69 }
70 
getPath(char buffer[2048],const char * filename)71 const char *getPath(char buffer[2048], const char *filename) {
72     const char *testDataDirectory = getSourceTestData();
73 
74     strcpy(buffer, testDataDirectory);
75     strcat(buffer, filename);
76 
77     return buffer;
78 }
79 
80 /*
81  * FIXME: should use the output file name and the current date.
82  */
83 const char *header =
84     "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
85     "\n"
86     "<!--\n"
87     "  Copyright (c) 1999-%4.4d International Business Machines\n"
88     "  Corporation and others. All rights reserved.\n"
89     "\n"
90     "  WARNING: THIS FILE IS MACHINE GENERATED. DO NOT HAND EDIT IT\n"
91     "  UNLESS YOU REALLY KNOW WHAT YOU'RE DOING.\n"
92     "\n"
93     "  file name:    letest.xml\n"
94     "  generated on: %s\n"
95     "  generated by: gendata.cpp\n"
96     "-->\n"
97     "\n"
98     "<layout-tests>\n";
99 
dumpLongs(FILE * file,const char * tag,le_int32 * longs,le_int32 count)100 void dumpLongs(FILE *file, const char *tag, le_int32 *longs, le_int32 count) {
101     char lineBuffer[8 * 12 + 2];
102     le_int32 bufp = 0;
103 
104     fprintf(file, "        <%s>\n", tag);
105 
106     for (int i = 0; i < count; i += 1) {
107         if (i % 8 == 0 && bufp != 0) {
108             fprintf(file, "            %s\n", lineBuffer);
109             bufp = 0;
110         }
111 
112         bufp += sprintf(&lineBuffer[bufp], "0x%8.8X, ", longs[i]);
113     }
114 
115     if (bufp != 0) {
116         lineBuffer[bufp - 2] = '\0';
117         fprintf(file, "            %s\n", lineBuffer);
118     }
119 
120     fprintf(file, "        </%s>\n\n", tag);
121 }
122 
dumpFloats(FILE * file,const char * tag,float * floats,le_int32 count)123 void dumpFloats(FILE *file, const char *tag, float *floats, le_int32 count) {
124     char lineBuffer[8 * 16 + 2];
125     le_int32 bufp = 0;
126 
127     fprintf(file, "        <%s>\n", tag);
128 
129     for (int i = 0; i < count; i += 1) {
130         if (i % 8 == 0 && bufp != 0) {
131             fprintf(file, "            %s\n", lineBuffer);
132             bufp = 0;
133         }
134 
135         bufp += sprintf(&lineBuffer[bufp], "%f, ", floats[i]);
136     }
137 
138     if (bufp != 0) {
139         lineBuffer[bufp - 2] = '\0';
140         fprintf(file, "            %s\n", lineBuffer);
141     }
142 
143     fprintf(file, "        </%s>\n", tag);
144 }
145 
main(int argc,char * argv[])146 int main(int argc, char *argv[])
147 {
148     UErrorCode status = U_ZERO_ERROR;
149     const char *gendataFile = "gendata.xml";
150     FILE *outputFile = fopen(argv[1], "w");
151     if(argc>2) {
152       gendataFile = argv[2];
153     }
154     time_t now = time(NULL);
155     struct tm *local = localtime(&now);
156     const char *tmFormat = "%m/%d/%Y %I:%M:%S %p %Z";
157     char  tmString[64];
158     le_uint32 count = 0;
159     strftime(tmString, 64, tmFormat, local);
160     fprintf(outputFile, header, local->tm_year + 1900, tmString);
161 
162     UXMLParser  *parser = UXMLParser::createParser(status);
163     UXMLElement *root   = parser->parseFile(gendataFile, status);
164 
165     if (root == NULL) {
166       printf("Error: Could not open %s\n", gendataFile);
167         delete parser;
168         return -1;
169     } else if(U_FAILURE(status)) {
170       printf("Error reading %s: %s\n", gendataFile, u_errorName(status));
171       return -2;
172     } else {
173       printf("Reading %s\n", gendataFile);
174     }
175 
176     UnicodeString test_case        = UNICODE_STRING_SIMPLE("test-case");
177     UnicodeString test_text        = UNICODE_STRING_SIMPLE("test-text");
178     UnicodeString test_font        = UNICODE_STRING_SIMPLE("test-font");
179 
180     // test-case attributes
181     UnicodeString id_attr     = UNICODE_STRING_SIMPLE("id");
182     UnicodeString script_attr = UNICODE_STRING_SIMPLE("script");
183     UnicodeString lang_attr   = UNICODE_STRING_SIMPLE("lang");
184 
185     // test-font attributes
186     UnicodeString name_attr   = UNICODE_STRING_SIMPLE("name");
187 
188     const UXMLElement *testCase;
189     int32_t tc = 0;
190 
191     while((testCase = root->nextChildElement(tc)) != NULL) {
192         if (testCase->getTagName().compare(test_case) == 0) {
193             char *id = getCString(testCase->getAttribute(id_attr));
194             char *script = getCString(testCase->getAttribute(script_attr));
195             char *lang   = getCString(testCase->getAttribute(lang_attr));
196             ++count;
197             printf("\n ID %s\n", id);
198             LEFontInstance *font = NULL;
199             const UXMLElement *element;
200             int32_t ec = 0;
201             int32_t charCount = 0;
202             int32_t typoFlags = LayoutEngine::kTypoFlagKern | LayoutEngine::kTypoFlagLiga; // kerning + ligatures...
203             UScriptCode scriptCode;
204             le_int32 languageCode = -1;
205             UnicodeString text;
206             int32_t glyphCount = 0;
207             LEErrorCode leStatus = LE_NO_ERROR;
208             LayoutEngine *engine = NULL;
209             LEGlyphID *glyphs    = NULL;
210             le_int32  *indices   = NULL;
211             float     *positions = NULL;
212 
213             uscript_getCode(script, &scriptCode, 1, &status);
214             if (LE_FAILURE(status)) {
215                 printf("Error: invalid script name: %s.\n", script);
216                 goto free_c_strings;
217             }
218 
219             if (lang != NULL) {
220                 languageCode = getLanguageCode(lang);
221 
222                 if (languageCode < 0) {
223                     printf("Error: invalid language name: %s.\n", lang);
224                     goto free_c_strings;
225                 }
226 
227                 fprintf(outputFile, "    <test-case id=\"%s\" script=\"%s\" lang=\"%s\">\n", id, script, lang);
228             } else {
229                 fprintf(outputFile, "    <test-case id=\"%s\" script=\"%s\">\n", id, script);
230             }
231 
232             while((element = testCase->nextChildElement(ec)) != NULL) {
233                 UnicodeString tag = element->getTagName();
234 
235                 // TODO: make sure that each element is only used once.
236                 if (tag.compare(test_font) == 0) {
237                     char *fontName  = getCString(element->getAttribute(name_attr));
238                     const char *version = NULL;
239                     char buf[2048];
240                     PortableFontInstance *pfi = new PortableFontInstance(getPath(buf,fontName), 12, leStatus);
241 
242                     if (LE_FAILURE(leStatus)) {
243                       printf("Error: could not open font: %s (path: %s)\n", fontName, buf);
244                         freeCString(fontName);
245                         goto free_c_strings;
246                     }
247 
248                     printf(" Generating: %s, %s, %s, %s\n", id, script, lang, fontName);
249 
250                     version = pfi->getNameString(NAME_VERSION_STRING, PLATFORM_MACINTOSH, MACINTOSH_ROMAN, MACINTOSH_ENGLISH);
251 
252                     // The standard recommends that the Macintosh Roman/English name string be present, but
253                     // if it's not, try the Microsoft Unicode/English string.
254                     if (version == NULL) {
255                         const LEUnicode16 *uversion = pfi->getUnicodeNameString(NAME_VERSION_STRING, PLATFORM_MICROSOFT, MICROSOFT_UNICODE_BMP, MICROSOFT_ENGLISH);
256 
257                         if (uversion != NULL) {
258                           char uversion_utf8[300];
259                           UErrorCode status2 = U_ZERO_ERROR;
260                           u_strToUTF8(uversion_utf8, 300, NULL, uversion, -1, &status2);
261                           if(U_FAILURE(status2)) {
262                             uversion_utf8[0]=0;
263                           }
264                             fprintf(outputFile, "        <test-font name=\"%s\" version=\"%s\" checksum=\"0x%8.8X\" rchecksum=\"0x%8.8X\"/>\n\n",
265                                     fontName, uversion_utf8, pfi->getFontChecksum(), pfi->getRawChecksum());
266 
267                             pfi->deleteNameString(uversion);
268                         } else {
269                           fprintf(outputFile, "        <test-font name=\"%s\" version=\"unknown-0x%8.8X\" checksum=\"0x%8.8X\" rchecksum=\"0x%8.8X\"/>\n\n",
270                                   fontName, pfi->getFontChecksum(), pfi->getFontChecksum(), pfi->getRawChecksum());
271                         }
272                     } else {
273                         fprintf(outputFile, "        <test-font name=\"%s\" version=\"%s\" checksum=\"0x%8.8X\" rchecksum=\"0x%8.8X\"/>\n\n",
274                                 fontName, version, pfi->getFontChecksum(), pfi->getRawChecksum());
275 
276                         pfi->deleteNameString(version);
277                     }
278                     fflush(outputFile);
279 
280                     freeCString(fontName);
281 
282                     font = pfi;
283                 } else if (tag.compare(test_text) == 0) {
284                     char *utf8 = NULL;
285 
286                     text = element->getText(TRUE);
287                     charCount = text.length();
288 
289                     utf8 = getUTF8String(&text);
290                     fprintf(outputFile, "        <test-text>%s</test-text>\n\n", utf8);
291                     fflush(outputFile);
292                     freeCString(utf8);
293                 } else {
294                     // an unknown tag...
295                     char *cTag = getCString(&tag);
296 
297                     printf("Test %s: unknown element with tag \"%s\"\n", id, cTag);
298                     freeCString(cTag);
299                 }
300             }
301 
302             if (font == NULL) {
303                 LEErrorCode fontStatus = LE_NO_ERROR;
304 
305                 font = new SimpleFontInstance(12, fontStatus);
306                 typoFlags |= 0x80000000L;  // use CharSubstitutionFilter...
307             }
308 
309             engine = LayoutEngine::layoutEngineFactory(font, scriptCode, languageCode, typoFlags, leStatus);
310 
311             if (LE_FAILURE(leStatus)) {
312                 printf("Error for test %s: could not create a LayoutEngine.\n", id);
313                 goto delete_font;
314             }
315 
316             glyphCount = engine->layoutChars(text.getBuffer(), 0, charCount, charCount, getRTL(text), 0, 0, leStatus);
317 
318             glyphs    = NEW_ARRAY(LEGlyphID, glyphCount);
319             indices   = NEW_ARRAY(le_int32, glyphCount);
320             positions = NEW_ARRAY(float, glyphCount * 2 + 2);
321 
322             engine->getGlyphs(glyphs, leStatus);
323             engine->getCharIndices(indices, leStatus);
324             engine->getGlyphPositions(positions, leStatus);
325 
326             if(LE_FAILURE(leStatus)) {
327               fprintf(stderr,"ERROR: LO returned error: %s\n", u_errorName((UErrorCode)leStatus));
328               overallStatus = leStatus;
329               fprintf(outputFile, "<!-- ERROR: %d -->\n", leStatus);
330               fflush(outputFile);
331               leStatus = LE_NO_ERROR;
332             } else {
333               dumpLongs(outputFile, "result-glyphs", (le_int32 *) glyphs, glyphCount);
334 
335               dumpLongs(outputFile, "result-indices", indices, glyphCount);
336 
337               dumpFloats(outputFile, "result-positions", positions, glyphCount * 2 + 2);
338               fflush(outputFile);
339 
340             }
341 
342             DELETE_ARRAY(positions);
343             DELETE_ARRAY(indices);
344             DELETE_ARRAY(glyphs);
345 
346             delete engine;
347 
348 delete_font:
349             fprintf(outputFile, "    </test-case>\n\n");
350             fflush(outputFile);
351 
352             delete font;
353 
354 free_c_strings:
355             freeCString(lang);
356             freeCString(script);
357             freeCString(id);
358         }
359     }
360 
361     delete root;
362     delete parser;
363 
364     fprintf(outputFile, "</layout-tests>\n");
365 
366     if(count==0) {
367       fprintf(stderr, "No cases processed!\n");
368       return 1;
369     }
370 
371 
372     if(LE_FAILURE(overallStatus)) {
373       fprintf(outputFile, "<!-- !!! FAILED. %d -->\n", overallStatus);
374       fprintf(stderr, "!!! FAILED. %d\n", overallStatus);
375       fclose(outputFile);
376       return 0;
377       //      return 1;
378     } else {
379       printf("Generated.\n");
380       fclose(outputFile);
381       return 0;
382     }
383 }
384