Пример #1
0
 int getTagId (char * name) { 
     int id = m_tags == NULL ? -1 : m_tags->find (name);
     if (id < 0) {
         appendTag (new Tag (name, id = m_nbTags++, NULL));
     }
     return id;
 }
Пример #2
0
 Trigger(bool enabled = true, bool autoDisable = true) :
 enabled(enabled),
 autoDisable(autoDisable) {
     appendTag(TRIGGER_TAG);
 }
Пример #3
0
/**
 * Create a tag string from the supplied parameters.  The lang, script and region
 * parameters may be NULL pointers. If they are, their corresponding length parameters
 * must be less than or equal to 0.
 *
 * If any of the language, script or region parameters are empty, and the alternateTags
 * parameter is not NULL, it will be parsed for potential language, script and region tags
 * to be used when constructing the new tag.  If the alternateTags parameter is NULL, or
 * it contains no language tag, the default tag for the unknown language is used.
 *
 * If the length of the new string exceeds the capacity of the output buffer, 
 * the function copies as many bytes to the output buffer as it can, and returns
 * the error U_BUFFER_OVERFLOW_ERROR.
 *
 * If an illegal argument is provided, the function returns the error
 * U_ILLEGAL_ARGUMENT_ERROR.
 *
 * Note that this function can return the warning U_STRING_NOT_TERMINATED_WARNING if
 * the tag string fits in the output buffer, but the null terminator doesn't.
 *
 * @param lang The language tag to use.
 * @param langLength The length of the language tag.
 * @param script The script tag to use.
 * @param scriptLength The length of the script tag.
 * @param region The region tag to use.
 * @param regionLength The length of the region tag.
 * @param trailing Any trailing data to append to the new tag.
 * @param trailingLength The length of the trailing data.
 * @param alternateTags A string containing any alternate tags.
 * @param tag The output buffer.
 * @param tagCapacity The capacity of the output buffer.
 * @param err A pointer to a UErrorCode for error reporting.
 * @return The length of the tag string, which may be greater than tagCapacity, or -1 on error.
 **/
static int32_t U_CALLCONV
createTagStringWithAlternates(
    const char* lang,
    int32_t langLength,
    const char* script,
    int32_t scriptLength,
    const char* region,
    int32_t regionLength,
    const char* trailing,
    int32_t trailingLength,
    const char* alternateTags,
    char* tag,
    int32_t tagCapacity,
    UErrorCode* err) {

    if (U_FAILURE(*err)) {
        goto error;
    }
    else if (tag == NULL ||
             tagCapacity <= 0 ||
             langLength >= ULOC_LANG_CAPACITY ||
             scriptLength >= ULOC_SCRIPT_CAPACITY ||
             regionLength >= ULOC_COUNTRY_CAPACITY) {
        goto error;
    }
    else {
        /**
         * ULOC_FULLNAME_CAPACITY will provide enough capacity
         * that we can build a string that contains the language,
         * script and region code without worrying about overrunning
         * the user-supplied buffer.
         **/
        char tagBuffer[ULOC_FULLNAME_CAPACITY];
        int32_t tagLength = 0;
        int32_t capacityRemaining = tagCapacity;
        UBool regionAppended = FALSE;

        if (langLength > 0) {
            appendTag(
                lang,
                langLength,
                tagBuffer,
                &tagLength);
        }
        else if (alternateTags == NULL) {
            /*
             * Append the value for an unknown language, if
             * we found no language.
             */
            appendTag(
                unknownLanguage,
                (int32_t)uprv_strlen(unknownLanguage),
                tagBuffer,
                &tagLength);
        }
        else {
            /*
             * Parse the alternateTags string for the language.
             */
            char alternateLang[ULOC_LANG_CAPACITY];
            int32_t alternateLangLength = sizeof(alternateLang);

            alternateLangLength =
                uloc_getLanguage(
                    alternateTags,
                    alternateLang,
                    alternateLangLength,
                    err);
            if(U_FAILURE(*err) ||
                alternateLangLength >= ULOC_LANG_CAPACITY) {
                goto error;
            }
            else if (alternateLangLength == 0) {
                /*
                 * Append the value for an unknown language, if
                 * we found no language.
                 */
                appendTag(
                    unknownLanguage,
                    (int32_t)uprv_strlen(unknownLanguage),
                    tagBuffer,
                    &tagLength);
            }
            else {
                appendTag(
                    alternateLang,
                    alternateLangLength,
                    tagBuffer,
                    &tagLength);
            }
        }

        if (scriptLength > 0) {
            appendTag(
                script,
                scriptLength,
                tagBuffer,
                &tagLength);
        }
        else if (alternateTags != NULL) {
            /*
             * Parse the alternateTags string for the script.
             */
            char alternateScript[ULOC_SCRIPT_CAPACITY];

            const int32_t alternateScriptLength =
                uloc_getScript(
                    alternateTags,
                    alternateScript,
                    sizeof(alternateScript),
                    err);

            if (U_FAILURE(*err) ||
                alternateScriptLength >= ULOC_SCRIPT_CAPACITY) {
                goto error;
            }
            else if (alternateScriptLength > 0) {
                appendTag(
                    alternateScript,
                    alternateScriptLength,
                    tagBuffer,
                    &tagLength);
            }
        }

        if (regionLength > 0) {
            appendTag(
                region,
                regionLength,
                tagBuffer,
                &tagLength);

            regionAppended = TRUE;
        }
        else if (alternateTags != NULL) {
            /*
             * Parse the alternateTags string for the region.
             */
            char alternateRegion[ULOC_COUNTRY_CAPACITY];

            const int32_t alternateRegionLength =
                uloc_getCountry(
                    alternateTags,
                    alternateRegion,
                    sizeof(alternateRegion),
                    err);
            if (U_FAILURE(*err) ||
                alternateRegionLength >= ULOC_COUNTRY_CAPACITY) {
                goto error;
            }
            else if (alternateRegionLength > 0) {
                appendTag(
                    alternateRegion,
                    alternateRegionLength,
                    tagBuffer,
                    &tagLength);

                regionAppended = TRUE;
            }
        }

        {
            const int32_t toCopy =
                tagLength >= tagCapacity ? tagCapacity : tagLength;

            /**
             * Copy the partial tag from our internal buffer to the supplied
             * target.
             **/
            uprv_memcpy(
                tag,
                tagBuffer,
                toCopy);

            capacityRemaining -= toCopy;
        }

        if (trailingLength > 0) {
            if (*trailing != '@' && capacityRemaining > 0) {
                tag[tagLength++] = '_';
                --capacityRemaining;
                if (capacityRemaining > 0 && !regionAppended) {
                    /* extra separator is required */
                    tag[tagLength++] = '_';
                    --capacityRemaining;
                }
            }

            if (capacityRemaining > 0) {
                /*
                 * Copy the trailing data into the supplied buffer.  Use uprv_memmove, since we
                 * don't know if the user-supplied buffers overlap.
                 */
                const int32_t toCopy =
                    trailingLength >= capacityRemaining ? capacityRemaining : trailingLength;

                uprv_memmove(
                    &tag[tagLength],
                    trailing,
                    toCopy);
            }
        }

        tagLength += trailingLength;

        return u_terminateChars(
                    tag,
                    tagCapacity,
                    tagLength,
                    err);
    }

error:

    /**
     * An overflow indicates the locale ID passed in
     * is ill-formed.  If we got here, and there was
     * no previous error, it's an implicit overflow.
     **/
    if (*err ==  U_BUFFER_OVERFLOW_ERROR ||
        U_SUCCESS(*err)) {
        *err = U_ILLEGAL_ARGUMENT_ERROR;
    }

    return -1;
}
Пример #4
0
 Tagable() {
     static int id = 0;
     this->id = id++;
     appendTag(HEADER_TAG);
 }