Check in the pristine copy of ICU 4.6...

icu46/source/test/letest/gendata.cpp

+/*
+ *******************************************************************************
+ *
+ *   Copyright (C) 1999-2008, International Business Machines
+ *   Corporation and others.  All Rights Reserved.
+ *
+ *******************************************************************************
+ *   file name:  gendata.cpp
+ *
+ *   created on: 11/03/2000
+ *   created by: Eric R. Mader
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#include "unicode/utypes.h"
+#include "unicode/unistr.h"
+#include "unicode/uscript.h"
+#include "unicode/ubidi.h"
+
+#include "layout/LETypes.h"
+#include "layout/LEScripts.h"
+#include "layout/LayoutEngine.h"
+
+#include "PortableFontInstance.h"
+#include "SimpleFontInstance.h"
+
+#include "xmlparser.h"
+
+#include "letsutil.h"
+#include "letest.h"
+
+U_NAMESPACE_USE
+
+struct TestInput
+{
+    const char *fontName;
+    LEUnicode  *text;
+    le_int32    textLength;
+    le_int32    scriptCode;
+    le_bool     rightToLeft;
+};
+
+/* 
+ * FIXME: should use the output file name and the current date.
+ */
+const char *header =
+    "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+    "\n"
+    "<!--\n"
+    "  Copyright (c) 1999-%4.4d International Business Machines\n"
+    "  Corporation and others. All rights reserved.\n"
+    "\n"
+    "  WARNING: THIS FILE IS MACHINE GENERATED. DO NOT HAND EDIT IT\n"
+    "  UNLESS YOU REALLY KNOW WHAT YOU'RE DOING.\n"
+    "\n"
+    "  file name:    letest.xml\n"
+    "  generated on: %s\n"
+    "  generated by: gendata.cpp\n"
+    "-->\n"
+    "\n"
+    "<layout-tests>\n";
+
+void dumpLongs(FILE *file, const char *tag, le_int32 *longs, le_int32 count) {
+    char lineBuffer[8 * 12 + 2];
+    le_int32 bufp = 0;
+
+    fprintf(file, "        <%s>\n", tag);
+
+    for (int i = 0; i < count; i += 1) {
+        if (i % 8 == 0 && bufp != 0) {
+            fprintf(file, "            %s\n", lineBuffer);
+            bufp = 0;
+        }
+
+        bufp += sprintf(&lineBuffer[bufp], "0x%8.8X, ", longs[i]);
+    }
+
+    if (bufp != 0) {
+        lineBuffer[bufp - 2] = '\0';
+        fprintf(file, "            %s\n", lineBuffer);
+    }
+
+    fprintf(file, "        </%s>\n\n", tag);
+}
+
+void dumpFloats(FILE *file, const char *tag, float *floats, le_int32 count) {
+    char lineBuffer[8 * 16 + 2];
+    le_int32 bufp = 0;
+
+    fprintf(file, "        <%s>\n", tag);
+
+    for (int i = 0; i < count; i += 1) {
+        if (i % 8 == 0 && bufp != 0) {
+            fprintf(file, "            %s\n", lineBuffer);
+            bufp = 0;
+        }
+
+        bufp += sprintf(&lineBuffer[bufp], "%f, ", floats[i]);
+    }
+
+    if (bufp != 0) {
+        lineBuffer[bufp - 2] = '\0';
+        fprintf(file, "            %s\n", lineBuffer);
+    }
+
+    fprintf(file, "        </%s>\n", tag);
+}
+
+int main(int /*argc*/, char *argv[])
+{
+    UErrorCode status = U_ZERO_ERROR;
+    FILE *outputFile = fopen(argv[1], "w");
+    time_t now = time(NULL);
+    struct tm *local = localtime(&now);
+    const char *tmFormat = "%m/%d/%Y %I:%M:%S %p %Z";
+    char  tmString[64];
+
+    strftime(tmString, 64, tmFormat, local);
+    fprintf(outputFile, header, local->tm_year + 1900, tmString);
+
+    UXMLParser  *parser = UXMLParser::createParser(status);
+    UXMLElement *root   = parser->parseFile("gendata.xml", status);
+
+    if (root == NULL) {
+        printf("Error: Could not open gendata.xml\n");
+        delete parser;
+        return -1;
+    }
+
+    UnicodeString test_case        = UNICODE_STRING_SIMPLE("test-case");
+    UnicodeString test_text        = UNICODE_STRING_SIMPLE("test-text");
+    UnicodeString test_font        = UNICODE_STRING_SIMPLE("test-font");
+
+    // test-case attributes
+    UnicodeString id_attr     = UNICODE_STRING_SIMPLE("id");
+    UnicodeString script_attr = UNICODE_STRING_SIMPLE("script");
+    UnicodeString lang_attr   = UNICODE_STRING_SIMPLE("lang");
+
+    // test-font attributes
+    UnicodeString name_attr   = UNICODE_STRING_SIMPLE("name");
+
+    const UXMLElement *testCase;
+    int32_t tc = 0;
+
+    while((testCase = root->nextChildElement(tc)) != NULL) {
+        if (testCase->getTagName().compare(test_case) == 0) {
+            char *id = getCString(testCase->getAttribute(id_attr));
+            char *script = getCString(testCase->getAttribute(script_attr));
+            char *lang   = getCString(testCase->getAttribute(lang_attr));
+            LEFontInstance *font = NULL;
+            const UXMLElement *element;
+            int32_t ec = 0;
+            int32_t charCount = 0;
+            int32_t typoFlags = 3; // kerning + ligatures...
+            UScriptCode scriptCode;
+            le_int32 languageCode = -1;
+            UnicodeString text;
+            int32_t glyphCount = 0;
+            LEErrorCode leStatus = LE_NO_ERROR;
+            LayoutEngine *engine = NULL;
+            LEGlyphID *glyphs    = NULL;
+            le_int32  *indices   = NULL;
+            float     *positions = NULL;
+
+            uscript_getCode(script, &scriptCode, 1, &status);
+            if (LE_FAILURE(status)) {
+                printf("Error: invalid script name: %s.\n", script);
+                goto free_c_strings;
+            }
+
+            if (lang != NULL) {
+                languageCode = getLanguageCode(lang);
+
+                if (languageCode < 0) {
+                    printf("Error: invalid language name: %s.\n", lang);
+                    goto free_c_strings;
+                }
+
+                fprintf(outputFile, "    <test-case id=\"%s\" script=\"%s\" lang=\"%s\">\n", id, script, lang);
+            } else {
+                fprintf(outputFile, "    <test-case id=\"%s\" script=\"%s\">\n", id, script);
+            }
+
+            while((element = testCase->nextChildElement(ec)) != NULL) {
+                UnicodeString tag = element->getTagName();
+
+                // TODO: make sure that each element is only used once.
+                if (tag.compare(test_font) == 0) {
+                    char *fontName  = getCString(element->getAttribute(name_attr));
+                    const char *version = NULL;
+                    PortableFontInstance *pfi = new PortableFontInstance(fontName, 12, leStatus);
+                    
+                    if (LE_FAILURE(leStatus)) {
+                        printf("Error: could not open font: %s\n", fontName);
+                        freeCString(fontName);
+                        goto free_c_strings;
+                    }
+
+                    version = pfi->getNameString(NAME_VERSION_STRING, PLATFORM_MACINTOSH, MACINTOSH_ROMAN, MACINTOSH_ENGLISH);
+
+                    // The standard recommends that the Macintosh Roman/English name string be present, but
+                    // if it's not, try the Microsoft Unicode/English string.
+                    if (version == NULL) {
+                        const LEUnicode16 *uversion = pfi->getUnicodeNameString(NAME_VERSION_STRING, PLATFORM_MICROSOFT, MICROSOFT_UNICODE_BMP, MICROSOFT_ENGLISH);
+
+                        if (uversion != NULL) {
+                            fprintf(outputFile, "        <test-font name=\"%s\" version=\"%S\" checksum=\"0x%8.8X\"/>\n\n",
+                                fontName, uversion, pfi->getFontChecksum());
+
+                            pfi->deleteNameString(uversion);
+                        }
+                    } else {
+                        fprintf(outputFile, "        <test-font name=\"%s\" version=\"%s\" checksum=\"0x%8.8X\"/>\n\n",
+                            fontName, version, pfi->getFontChecksum());
+
+                        pfi->deleteNameString(version);
+                    }
+
+                    freeCString(fontName);
+
+                    font = pfi;
+                } else if (tag.compare(test_text) == 0) {
+                    char *utf8 = NULL;
+
+                    text = element->getText(TRUE);
+                    charCount = text.length();
+
+                    utf8 = getUTF8String(&text);
+                    fprintf(outputFile, "        <test-text>%s</test-text>\n\n", utf8);
+                    freeCString(utf8);
+                } else {
+                    // an unknown tag...
+                    char *cTag = getCString(&tag);
+
+                    printf("Test %s: unknown element with tag \"%s\"\n", id, cTag);
+                    freeCString(cTag);
+                }
+            }
+
+            if (font == NULL) {
+                LEErrorCode fontStatus = LE_NO_ERROR;
+
+                font = new SimpleFontInstance(12, fontStatus);
+                typoFlags |= 0x80000000L;  // use CharSubstitutionFilter...
+            }
+
+            engine = LayoutEngine::layoutEngineFactory(font, scriptCode, languageCode, typoFlags, leStatus);
+
+            if (LE_FAILURE(leStatus)) {
+                printf("Error for test %s: could not create a LayoutEngine.\n", id);
+                goto delete_font;
+            }
+
+            glyphCount = engine->layoutChars(text.getBuffer(), 0, charCount, charCount, getRTL(text), 0, 0, leStatus);
+
+            glyphs    = NEW_ARRAY(LEGlyphID, glyphCount);
+            indices   = NEW_ARRAY(le_int32, glyphCount);
+            positions = NEW_ARRAY(float, glyphCount * 2 + 2);
+
+            engine->getGlyphs(glyphs, leStatus);
+            engine->getCharIndices(indices, leStatus);
+            engine->getGlyphPositions(positions, leStatus);
+
+            dumpLongs(outputFile, "result-glyphs", (le_int32 *) glyphs, glyphCount);
+
+            dumpLongs(outputFile, "result-indices", indices, glyphCount);
+
+            dumpFloats(outputFile, "result-positions", positions, glyphCount * 2 + 2);
+
+            fprintf(outputFile, "    </test-case>\n\n");
+
+            DELETE_ARRAY(positions);
+            DELETE_ARRAY(indices);
+            DELETE_ARRAY(glyphs);
+
+            delete engine;
+
+delete_font:
+            delete font;
+
+free_c_strings:
+            freeCString(lang);
+            freeCString(script);
+            freeCString(id);
+        }
+    }
+
+    delete root;
+    delete parser;
+
+    fprintf(outputFile, "</layout-tests>\n");
+
+    fclose(outputFile);
+}