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e4ae327eed
scuffed-code/icu4c/source/test/letest/gendata.cpp
Eric Mader e4ae327eed ICU-3979 Add automatic LayoutEngine tests. 
X-SVN-Rev: 19523
2006-04-07 23:51:55 +00:00

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/*
*******************************************************************************
*
* Copyright (C) 1999-2006, 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"
U_NAMESPACE_USE
#define ARRAY_LENGTH(array) (sizeof array / sizeof array[0])
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);
}
char *getCString(const UnicodeString *uString)
{
if (uString == NULL) {
return NULL;
}
le_int32 uLength = uString->length();
le_int32 cLength = uString->extract(0, uLength, NULL, 0, US_INV);
char *cString = NEW_ARRAY(char, cLength + 1);
uString->extract(0, uLength, cString, cLength, US_INV);
cString[cLength] = '\0';
return cString;
}
char *getUTF8String(const UnicodeString *uString)
{
if (uString == NULL) {
return NULL;
}
le_int32 uLength = uString->length();
le_int32 cLength = uString->extract(0, uLength, NULL, 0, "UTF-8");
char *cString = NEW_ARRAY(char, cLength + 1);
uString->extract(0, uLength, cString, cLength, "UTF-8");
cString[cLength] = '\0';
return cString;
}
void freeCString(char *cString)
{
DELETE_ARRAY(cString);
}
le_bool getRTL(const UnicodeString &text)
{
UBiDiLevel paraLevel;
UErrorCode status = U_ZERO_ERROR;
le_int32 charCount = text.length();
UBiDi *ubidi = ubidi_openSized(charCount, 0, &status);
ubidi_setPara(ubidi, text.getBuffer(), charCount, UBIDI_DEFAULT_LTR, NULL, &status);
paraLevel = ubidi_getParaLevel(ubidi);
ubidi_close(ubidi);
return paraLevel & 1;
}
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");
// 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));
LEFontInstance *font = NULL;
const UXMLElement *element;
int32_t ec = 0;
int32_t charCount = 0;
int32_t typoFlags = 3; // kerning + ligatures...
UScriptCode scriptCode;
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;
}
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);
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, -1, 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(script);
freeCString(id);
}
}
delete root;
delete parser;
fprintf(outputFile, "</layout-tests>\n");
fclose(outputFile);
}
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