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1 /*
2  *******************************************************************************
3  *
4  *   Copyright (C) 1999-2008, International Business Machines
5  *   Corporation and others.  All Rights Reserved.
6  *
7  *******************************************************************************
8  *   file name:  gendata.cpp
9  *
10  *   created on: 11/03/2000
11  *   created by: Eric R. Mader
12  */
13 
14 #include <stdio.h>
15 #include <string.h>
16 #include <time.h>
17 
18 #include "unicode/utypes.h"
19 #include "unicode/unistr.h"
20 #include "unicode/uscript.h"
21 #include "unicode/ubidi.h"
22 
23 #include "layout/LETypes.h"
24 #include "layout/LEScripts.h"
25 #include "layout/LayoutEngine.h"
26 
27 #include "PortableFontInstance.h"
28 #include "SimpleFontInstance.h"
29 
30 #include "xmlparser.h"
31 
32 #include "letsutil.h"
33 #include "letest.h"
34 
35 U_NAMESPACE_USE
36 
37 struct TestInput
38 {
39     const char *fontName;
40     LEUnicode  *text;
41     le_int32    textLength;
42     le_int32    scriptCode;
43     le_bool     rightToLeft;
44 };
45 
46 /*
47  * FIXME: should use the output file name and the current date.
48  */
49 const char *header =
50     "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
51     "\n"
52     "<!--\n"
53     "  Copyright (c) 1999-%4.4d International Business Machines\n"
54     "  Corporation and others. All rights reserved.\n"
55     "\n"
56     "  WARNING: THIS FILE IS MACHINE GENERATED. DO NOT HAND EDIT IT\n"
57     "  UNLESS YOU REALLY KNOW WHAT YOU'RE DOING.\n"
58     "\n"
59     "  file name:    letest.xml\n"
60     "  generated on: %s\n"
61     "  generated by: gendata.cpp\n"
62     "-->\n"
63     "\n"
64     "<layout-tests>\n";
65 
dumpLongs(FILE * file,const char * tag,le_int32 * longs,le_int32 count)66 void dumpLongs(FILE *file, const char *tag, le_int32 *longs, le_int32 count) {
67     char lineBuffer[8 * 12 + 2];
68     le_int32 bufp = 0;
69 
70     fprintf(file, "        <%s>\n", tag);
71 
72     for (int i = 0; i < count; i += 1) {
73         if (i % 8 == 0 && bufp != 0) {
74             fprintf(file, "            %s\n", lineBuffer);
75             bufp = 0;
76         }
77 
78         bufp += sprintf(&lineBuffer[bufp], "0x%8.8X, ", longs[i]);
79     }
80 
81     if (bufp != 0) {
82         lineBuffer[bufp - 2] = '\0';
83         fprintf(file, "            %s\n", lineBuffer);
84     }
85 
86     fprintf(file, "        </%s>\n\n", tag);
87 }
88 
dumpFloats(FILE * file,const char * tag,float * floats,le_int32 count)89 void dumpFloats(FILE *file, const char *tag, float *floats, le_int32 count) {
90     char lineBuffer[8 * 16 + 2];
91     le_int32 bufp = 0;
92 
93     fprintf(file, "        <%s>\n", tag);
94 
95     for (int i = 0; i < count; i += 1) {
96         if (i % 8 == 0 && bufp != 0) {
97             fprintf(file, "            %s\n", lineBuffer);
98             bufp = 0;
99         }
100 
101         bufp += sprintf(&lineBuffer[bufp], "%f, ", floats[i]);
102     }
103 
104     if (bufp != 0) {
105         lineBuffer[bufp - 2] = '\0';
106         fprintf(file, "            %s\n", lineBuffer);
107     }
108 
109     fprintf(file, "        </%s>\n", tag);
110 }
111 
main(int,char * argv[])112 int main(int /*argc*/, char *argv[])
113 {
114     UErrorCode status = U_ZERO_ERROR;
115     FILE *outputFile = fopen(argv[1], "w");
116     time_t now = time(NULL);
117     struct tm *local = localtime(&now);
118     const char *tmFormat = "%m/%d/%Y %I:%M:%S %p %Z";
119     char  tmString[64];
120 
121     strftime(tmString, 64, tmFormat, local);
122     fprintf(outputFile, header, local->tm_year + 1900, tmString);
123 
124     UXMLParser  *parser = UXMLParser::createParser(status);
125     UXMLElement *root   = parser->parseFile("gendata.xml", status);
126 
127     if (root == NULL) {
128         printf("Error: Could not open gendata.xml\n");
129         delete parser;
130         return -1;
131     }
132 
133     UnicodeString test_case        = UNICODE_STRING_SIMPLE("test-case");
134     UnicodeString test_text        = UNICODE_STRING_SIMPLE("test-text");
135     UnicodeString test_font        = UNICODE_STRING_SIMPLE("test-font");
136 
137     // test-case attributes
138     UnicodeString id_attr     = UNICODE_STRING_SIMPLE("id");
139     UnicodeString script_attr = UNICODE_STRING_SIMPLE("script");
140     UnicodeString lang_attr   = UNICODE_STRING_SIMPLE("lang");
141 
142     // test-font attributes
143     UnicodeString name_attr   = UNICODE_STRING_SIMPLE("name");
144 
145     const UXMLElement *testCase;
146     int32_t tc = 0;
147 
148     while((testCase = root->nextChildElement(tc)) != NULL) {
149         if (testCase->getTagName().compare(test_case) == 0) {
150             char *id = getCString(testCase->getAttribute(id_attr));
151             char *script = getCString(testCase->getAttribute(script_attr));
152             char *lang   = getCString(testCase->getAttribute(lang_attr));
153             LEFontInstance *font = NULL;
154             const UXMLElement *element;
155             int32_t ec = 0;
156             int32_t charCount = 0;
157             int32_t typoFlags = 3; // kerning + ligatures...
158             UScriptCode scriptCode;
159             le_int32 languageCode = -1;
160             UnicodeString text;
161             int32_t glyphCount = 0;
162             LEErrorCode leStatus = LE_NO_ERROR;
163             LayoutEngine *engine = NULL;
164             LEGlyphID *glyphs    = NULL;
165             le_int32  *indices   = NULL;
166             float     *positions = NULL;
167 
168             uscript_getCode(script, &scriptCode, 1, &status);
169             if (LE_FAILURE(status)) {
170                 printf("Error: invalid script name: %s.\n", script);
171                 goto free_c_strings;
172             }
173 
174             if (lang != NULL) {
175                 languageCode = getLanguageCode(lang);
176 
177                 if (languageCode < 0) {
178                     printf("Error: invalid language name: %s.\n", lang);
179                     goto free_c_strings;
180                 }
181 
182                 fprintf(outputFile, "    <test-case id=\"%s\" script=\"%s\" lang=\"%s\">\n", id, script, lang);
183             } else {
184                 fprintf(outputFile, "    <test-case id=\"%s\" script=\"%s\">\n", id, script);
185             }
186 
187             while((element = testCase->nextChildElement(ec)) != NULL) {
188                 UnicodeString tag = element->getTagName();
189 
190                 // TODO: make sure that each element is only used once.
191                 if (tag.compare(test_font) == 0) {
192                     char *fontName  = getCString(element->getAttribute(name_attr));
193                     const char *version = NULL;
194                     PortableFontInstance *pfi = new PortableFontInstance(fontName, 12, leStatus);
195 
196                     if (LE_FAILURE(leStatus)) {
197                         printf("Error: could not open font: %s\n", fontName);
198                         freeCString(fontName);
199                         goto free_c_strings;
200                     }
201 
202                     version = pfi->getNameString(NAME_VERSION_STRING, PLATFORM_MACINTOSH, MACINTOSH_ROMAN, MACINTOSH_ENGLISH);
203 
204                     // The standard recommends that the Macintosh Roman/English name string be present, but
205                     // if it's not, try the Microsoft Unicode/English string.
206                     if (version == NULL) {
207                         const LEUnicode16 *uversion = pfi->getUnicodeNameString(NAME_VERSION_STRING, PLATFORM_MICROSOFT, MICROSOFT_UNICODE_BMP, MICROSOFT_ENGLISH);
208 
209                         if (uversion != NULL) {
210                             fprintf(outputFile, "        <test-font name=\"%s\" version=\"%S\" checksum=\"0x%8.8X\"/>\n\n",
211                                 fontName, uversion, pfi->getFontChecksum());
212 
213                             pfi->deleteNameString(uversion);
214                         }
215                     } else {
216                         fprintf(outputFile, "        <test-font name=\"%s\" version=\"%s\" checksum=\"0x%8.8X\"/>\n\n",
217                             fontName, version, pfi->getFontChecksum());
218 
219                         pfi->deleteNameString(version);
220                     }
221 
222                     freeCString(fontName);
223 
224                     font = pfi;
225                 } else if (tag.compare(test_text) == 0) {
226                     char *utf8 = NULL;
227 
228                     text = element->getText(TRUE);
229                     charCount = text.length();
230 
231                     utf8 = getUTF8String(&text);
232                     fprintf(outputFile, "        <test-text>%s</test-text>\n\n", utf8);
233                     freeCString(utf8);
234                 } else {
235                     // an unknown tag...
236                     char *cTag = getCString(&tag);
237 
238                     printf("Test %s: unknown element with tag \"%s\"\n", id, cTag);
239                     freeCString(cTag);
240                 }
241             }
242 
243             if (font == NULL) {
244                 LEErrorCode fontStatus = LE_NO_ERROR;
245 
246                 font = new SimpleFontInstance(12, fontStatus);
247                 typoFlags |= 0x80000000L;  // use CharSubstitutionFilter...
248             }
249 
250             engine = LayoutEngine::layoutEngineFactory(font, scriptCode, languageCode, typoFlags, leStatus);
251 
252             if (LE_FAILURE(leStatus)) {
253                 printf("Error for test %s: could not create a LayoutEngine.\n", id);
254                 goto delete_font;
255             }
256 
257             glyphCount = engine->layoutChars(text.getBuffer(), 0, charCount, charCount, getRTL(text), 0, 0, leStatus);
258 
259             glyphs    = NEW_ARRAY(LEGlyphID, glyphCount);
260             indices   = NEW_ARRAY(le_int32, glyphCount);
261             positions = NEW_ARRAY(float, glyphCount * 2 + 2);
262 
263             engine->getGlyphs(glyphs, leStatus);
264             engine->getCharIndices(indices, leStatus);
265             engine->getGlyphPositions(positions, leStatus);
266 
267             dumpLongs(outputFile, "result-glyphs", (le_int32 *) glyphs, glyphCount);
268 
269             dumpLongs(outputFile, "result-indices", indices, glyphCount);
270 
271             dumpFloats(outputFile, "result-positions", positions, glyphCount * 2 + 2);
272 
273             fprintf(outputFile, "    </test-case>\n\n");
274 
275             DELETE_ARRAY(positions);
276             DELETE_ARRAY(indices);
277             DELETE_ARRAY(glyphs);
278 
279             delete engine;
280 
281 delete_font:
282             delete font;
283 
284 free_c_strings:
285             freeCString(lang);
286             freeCString(script);
287             freeCString(id);
288         }
289     }
290 
291     delete root;
292     delete parser;
293 
294     fprintf(outputFile, "</layout-tests>\n");
295 
296     fclose(outputFile);
297 }
298