C++ SkString::endsWith方法代码示例

/**
 * This function parses the given filename and stores the results in the given
 * families array.
 */
static void parseConfigFile(const char *filename, SkTDArray<FontFamily*> &families) {

    FILE* file = NULL;

#if !defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
    // if we are using a version of Android prior to Android 4.2 (JellyBean MR1
    // at API Level 17) then we need to look for files with a different suffix.
    char sdkVersion[PROP_VALUE_MAX];
    __system_property_get("ro.build.version.sdk", sdkVersion);
    const int sdkVersionInt = atoi(sdkVersion);

    if (0 != *sdkVersion && sdkVersionInt < 17) {
        SkString basename;
        SkString updatedFilename;
        SkString locale = SkFontConfigParser::GetLocale();

        basename.set(filename);
        // Remove the .xml suffix. We'll add it back in a moment.
        if (basename.endsWith(".xml")) {
            basename.resize(basename.size()-4);
        }
        // Try first with language and region
        updatedFilename.printf("%s-%s.xml", basename.c_str(), locale.c_str());
        file = fopen(updatedFilename.c_str(), "r");
        if (!file) {
            // If not found, try next with just language
            updatedFilename.printf("%s-%.2s.xml", basename.c_str(), locale.c_str());
            file = fopen(updatedFilename.c_str(), "r");
        }
    }
#endif

    if (NULL == file) {
        file = fopen(filename, "r");
    }

    // Some of the files we attempt to parse (in particular, /vendor/etc/fallback_fonts.xml)
    // are optional - failure here is okay because one of these optional files may not exist.
    if (NULL == file) {
        return;
    }

    XML_Parser parser = XML_ParserCreate(NULL);
    FamilyData *familyData = new FamilyData(&parser, families);
    XML_SetUserData(parser, familyData);
    XML_SetElementHandler(parser, startElementHandler, endElementHandler);

    char buffer[512];
    bool done = false;
    while (!done) {
        fgets(buffer, sizeof(buffer), file);
        int len = strlen(buffer);
        if (feof(file) != 0) {
            done = true;
        }
        XML_Parse(parser, buffer, len, done);
    }
    XML_ParserFree(parser);
    fclose(file);
}

/**
 * Use the current system locale (language and region) to open the best matching
 * customization. For example, when the language is Japanese, the sequence might be:
 *      /system/etc/fallback_fonts-ja-JP.xml
 *      /system/etc/fallback_fonts-ja.xml
 *      /system/etc/fallback_fonts.xml
 */
FILE* openLocalizedFile(const char* origname) {
    FILE* file = 0;

#if !defined(SK_BUILD_FOR_ANDROID_NDK)
    SkString basename;
    SkString filename;
    char language[3] = "";
    char region[3] = "";

    basename.set(origname);
    // Remove the .xml suffix. We'll add it back in a moment.
    if (basename.endsWith(".xml")) {
        basename.resize(basename.size()-4);
    }
    getLocale(language, region);
    // Try first with language and region
    filename.printf("%s-%s-%s.xml", basename.c_str(), language, region);
    file = fopen(filename.c_str(), "r");
    if (!file) {
        // If not found, try next with just language
        filename.printf("%s-%s.xml", basename.c_str(), language);
        file = fopen(filename.c_str(), "r");
    }
#endif

    if (!file) {
        // If still not found, try just the original name
        file = fopen(origname, "r");
    }
    return file;
}

/**
 * Use the current system locale (language and region) to open the best matching
 * customization. For example, when the language is Japanese, the sequence might be:
 *      /system/etc/fallback_fonts-ja-JP.xml
 *      /system/etc/fallback_fonts-ja.xml
 *      /system/etc/fallback_fonts.xml
 */
FILE* openLocalizedFile(const char* origname) {
    FILE* file = 0;
    SkString basename;
    SkString filename;
    AndroidLocale locale;

    basename.set(origname);
    // Remove the .xml suffix. We'll add it back in a moment.
    if (basename.endsWith(".xml")) {
        basename.resize(basename.size()-4);
    }
    getLocale(locale);
    // Try first with language and region
    filename.printf("%s-%s-%s.xml", basename.c_str(), locale.language, locale.region);
    file = fopen(filename.c_str(), "r");
    if (!file) {
        // If not found, try next with just language
        filename.printf("%s-%s.xml", basename.c_str(), locale.language);
        file = fopen(filename.c_str(), "r");

        if (!file) {
            // If still not found, try just the original name
            file = fopen(origname, "r");
        }
    }
    return file;
}

//.........这里部分代码省略.........
            switch (numUnflaggedArguments++) {
                case 0:
                    baseDir.set(argv[i]);
                    continue;
                case 1:
                    comparisonDir.set(argv[i]);
                    continue;
                case 2:
                    outputDir.set(argv[i]);
                    continue;
                default:
                    SkDebugf("extra unflagged argument <%s>\n", argv[i]);
                    usage(argv[0]);
                    return kGenericError;
            }
        }
        if (!strcmp(argv[i], "--listFailingBase")) {
            listFailingBase = true;
            continue;
        }

        SkDebugf("Unrecognized argument <%s>\n", argv[i]);
        usage(argv[0]);
        return kGenericError;
    }

    if (numUnflaggedArguments == 2) {
        outputDir = comparisonDir;
    } else if (numUnflaggedArguments != 3) {
        usage(argv[0]);
        return kGenericError;
    }

    if (!baseDir.endsWith(PATH_DIV_STR)) {
        baseDir.append(PATH_DIV_STR);
    }
    if (printDirNames) {
        printf("baseDir is [%s]\n", baseDir.c_str());
    }

    if (!comparisonDir.endsWith(PATH_DIV_STR)) {
        comparisonDir.append(PATH_DIV_STR);
    }
    if (printDirNames) {
        printf("comparisonDir is [%s]\n", comparisonDir.c_str());
    }

    if (!outputDir.endsWith(PATH_DIV_STR)) {
        outputDir.append(PATH_DIV_STR);
    }
    if (generateDiffs) {
        if (printDirNames) {
            printf("writing diffs to outputDir is [%s]\n", outputDir.c_str());
        }
    } else {
        if (printDirNames) {
            printf("not writing any diffs to outputDir [%s]\n", outputDir.c_str());
        }
        outputDir.set("");
    }

    // If no matchSubstrings were specified, match ALL strings
    // (except for whatever nomatchSubstrings were specified, if any).
    if (matchSubstrings.isEmpty()) {
        matchSubstrings.push(new SkString(""));
    }

/**
 * Given either a SkStream or a SkData, try to decode the encoded
 * image using the specified options and report errors.
 */
static void test_options(skiatest::Reporter* reporter,
                         const SkDecodingImageGenerator::Options& opts,
                         SkStreamRewindable* encodedStream,
                         SkData* encodedData,
                         bool useData,
                         const SkString& path) {
    SkBitmap bm;
    bool success = false;
    if (useData) {
        if (NULL == encodedData) {
            return;
        }
        success = SkInstallDiscardablePixelRef(
            SkDecodingImageGenerator::Create(encodedData, opts), &bm);
    } else {
        if (NULL == encodedStream) {
            return;
        }
        success = SkInstallDiscardablePixelRef(
            SkDecodingImageGenerator::Create(encodedStream->duplicate(), opts), &bm);
    }
    if (!success) {
        if (opts.fUseRequestedColorType
            && (kARGB_4444_SkColorType == opts.fRequestedColorType)) {
            return;  // Ignore known conversion inabilities.
        }
        // If we get here, it's a failure and we will need more
        // information about why it failed.
        ERRORF(reporter, "Bounds decode failed [sampleSize=%d dither=%s "
               "colorType=%s %s]", opts.fSampleSize, yn(opts.fDitherImage),
               options_colorType(opts), path.c_str());
        return;
    }
    #if defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_UNIX)
    // Android is the only system that use Skia's image decoders in
    // production.  For now, we'll only verify that samplesize works
    // on systems where it already is known to work.
    REPORTER_ASSERT(reporter, check_rounding(bm.height(), kExpectedHeight,
                                             opts.fSampleSize));
    REPORTER_ASSERT(reporter, check_rounding(bm.width(), kExpectedWidth,
                                             opts.fSampleSize));
    // The ImageDecoder API doesn't guarantee that SampleSize does
    // anything at all, but the decoders that this test excercises all
    // produce an output size in the following range:
    //    (((sample_size * out_size) > (in_size - sample_size))
    //     && out_size <= SkNextPow2(((in_size - 1) / sample_size) + 1));
    #endif  // SK_BUILD_FOR_ANDROID || SK_BUILD_FOR_UNIX
    SkAutoLockPixels alp(bm);
    if (bm.getPixels() == NULL) {
        ERRORF(reporter, "Pixel decode failed [sampleSize=%d dither=%s "
               "colorType=%s %s]", opts.fSampleSize, yn(opts.fDitherImage),
               options_colorType(opts), path.c_str());
        return;
    }

    SkColorType requestedColorType = opts.fRequestedColorType;
    REPORTER_ASSERT(reporter,
                    (!opts.fUseRequestedColorType)
                    || (bm.colorType() == requestedColorType));

    // Condition under which we should check the decoding results:
    if ((kN32_SkColorType == bm.colorType())
        && (!path.endsWith(".jpg"))  // lossy
        && (opts.fSampleSize == 1)) {  // scaled
        const SkColor* correctPixels = kExpectedPixels;
        SkASSERT(bm.height() == kExpectedHeight);
        SkASSERT(bm.width() == kExpectedWidth);
        int pixelErrors = 0;
        for (int y = 0; y < bm.height(); ++y) {
            for (int x = 0; x < bm.width(); ++x) {
                if (*correctPixels != bm.getColor(x, y)) {
                    ++pixelErrors;
                }
                ++correctPixels;
            }
        }
        if (pixelErrors != 0) {
            ERRORF(reporter, "Pixel-level mismatch (%d of %d) "
                   "[sampleSize=%d dither=%s colorType=%s %s]",
                   pixelErrors, kExpectedHeight * kExpectedWidth,
                   opts.fSampleSize, yn(opts.fDitherImage),
                   options_colorType(opts), path.c_str());
        }
    }
}

//.........这里部分代码省略.........
                case 1:
                    comparisonFile.set(argv[i]);
                    continue;
                default:
                    SkDebugf("extra unflagged argument <%s>\n", argv[i]);
                    usage(argv[0]);
                    return kGenericError;
            }
        }

        SkDebugf("Unrecognized argument <%s>\n", argv[i]);
        usage(argv[0]);
        return kGenericError;
    }

    if (numUnflaggedArguments != 2) {
        usage(argv[0]);
        return kGenericError;
    }

    if (listFilenames) {
        printf("Base file is [%s]\n", baseFile.c_str());
    }

    if (listFilenames) {
        printf("Comparison file is [%s]\n", comparisonFile.c_str());
    }

    if (outputDir.isEmpty()) {
        if (listFilenames) {
            printf("Not writing any diffs. No output dir specified.\n");
        }
    } else {
        if (!outputDir.endsWith(PATH_DIV_STR)) {
            outputDir.append(PATH_DIV_STR);
        }
        if (listFilenames) {
            printf("Writing diffs. Output dir is [%s]\n", outputDir.c_str());
        }
    }

    // Some obscure documentation about diff/patch labels:
    //
    // Posix says the format is: <filename><tab><date>
    //     It also states that if a filename contains <tab> or <newline>
    //     the result is implementation defined
    //
    // Svn diff --diff-cmd provides labels of the form: <filename><tab><revision>
    //
    // Git diff --ext-diff does not supply arguments compatible with diff.
    //     However, it does provide the filename directly.
    //     skimagediff_git.sh: skimagediff %2 %5 -L "%1\t(%3)" -L "%1\t(%6)"
    //
    // Git difftool sets $LOCAL, $REMOTE, $MERGED, and $BASE instead of command line parameters.
    //     difftool.<>.cmd: skimagediff $LOCAL $REMOTE -L "$MERGED\t(local)" -L "$MERGED\t(remote)"
    //
    // Diff will write any specified label verbatim. Without a specified label diff will write
    //     <filename><tab><date>
    //     However, diff will encode the filename as a cstring if the filename contains
    //         Any of <space> or <double quote>
    //         A char less than 32
    //         Any escapable character \\, \a, \b, \t, \n, \v, \f, \r
    //
    // Patch decodes:
    //     If first <non-white-space> is <double quote>, parse filename from cstring.
    //     If there is a <tab> after the first <non-white-space>, filename is