UnicodeString& SimplePatternFormatter::format(
const UnicodeString * const *placeholderValues,
int32_t placeholderValueCount,
UnicodeString &appendTo,
int32_t *offsetArray,
int32_t offsetArrayLength,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return appendTo;
}
if (placeholderValueCount < placeholderCount) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return appendTo;
}
for (int32_t i = 0; i < offsetArrayLength; ++i) {
offsetArray[i] = -1;
}
if (placeholderSize == 0) {
appendTo.append(noPlaceholders);
return appendTo;
}
appendRange(
noPlaceholders,
0,
placeholdersByOffset[0],
appendTo);
updatePlaceholderOffset(
placeholdersByOffset[1],
appendTo.length(),
offsetArray,
offsetArrayLength);
appendTo.append(*placeholderValues[placeholdersByOffset[1]]);
for (int32_t i = 1; i < placeholderSize; ++i) {
appendRange(
noPlaceholders,
placeholdersByOffset[2 * i - 2],
placeholdersByOffset[2 * i],
appendTo);
updatePlaceholderOffset(
placeholdersByOffset[2 * i + 1],
appendTo.length(),
offsetArray,
offsetArrayLength);
appendTo.append(*placeholderValues[placeholdersByOffset[2 * i + 1]]);
}
appendRange(
noPlaceholders,
placeholdersByOffset[2 * placeholderSize - 2],
noPlaceholders.length(),
appendTo);
return appendTo;
}
UnicodeString& SimplePatternFormatter::formatAndAppend(
const SimplePatternFormatterPlaceholderValues &values,
UnicodeString &appendTo,
int32_t *offsetArray,
int32_t offsetArrayLength) const {
for (int32_t i = 0; i < offsetArrayLength; ++i) {
offsetArray[i] = -1;
}
if (placeholderSize == 0) {
appendTo.append(noPlaceholders);
return appendTo;
}
appendRange(
noPlaceholders,
0,
placeholders[0].offset,
appendTo);
updatePlaceholderOffset(
placeholders[0].id,
appendTo.length(),
offsetArray,
offsetArrayLength);
const UnicodeString *placeholderValue = &values.get(placeholders[0].id);
if (placeholderValue != &appendTo) {
appendTo.append(*placeholderValue);
}
for (int32_t i = 1; i < placeholderSize; ++i) {
appendRange(
noPlaceholders,
placeholders[i - 1].offset,
placeholders[i].offset,
appendTo);
updatePlaceholderOffset(
placeholders[i].id,
appendTo.length(),
offsetArray,
offsetArrayLength);
placeholderValue = &values.get(placeholders[i].id);
if (placeholderValue != &appendTo) {
appendTo.append(*placeholderValue);
}
}
appendRange(
noPlaceholders,
placeholders[placeholderSize - 1].offset,
noPlaceholders.length(),
appendTo);
return appendTo;
}
