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Improve triple-backtick replacement.

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This commit is contained in:
John Preston 2018-06-26 21:42:05 +01:00
parent 44c6050bf2
commit b7ab4fd086
1 changed files with 32 additions and 9 deletions
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29
Telegram/SourceFiles/ui/widgets/input_fields.cpp
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@ -2386,7 +2386,7 @@ TextWithTags InputField::getTextWithAppliedMarkdown() const {
if (!tag.closed || tag.adjustedStart < from) {
continue;
}
const auto entityLength = tag.adjustedLength - 2 * tagLength;
auto entityLength = tag.adjustedLength - 2 * tagLength;
if (entityLength <= 0) {
continue;
}
@ -2407,15 +2407,38 @@ TextWithTags InputField::getTextWithAppliedMarkdown() const {
continue;
}
addOriginalTextUpTill(tag.adjustedStart);
auto entityStart = tag.adjustedStart + tagLength;
if (tag.tag == kTagPre) {
// Remove redundant newlines for pre.
// If ``` is on a separate line add only one newline.
if (IsNewline(originalText[entityStart])
&& (result.text.isEmpty()
|| IsNewline(result.text[result.text.size() - 1]))) {
++entityStart;
--entityLength;
}
const auto entityEnd = entityStart + entityLength;
if (IsNewline(originalText[entityEnd - 1])
&& (originalText.size() <= entityEnd + tagLength
|| IsNewline(originalText[entityEnd + tagLength]))) {
--entityLength;
}
}
if (entityLength > 0) {
// Add tag text and entity.
result.tags.push_back(TextWithTags::Tag{
int(result.text.size()),
entityLength,
tag.tag });
result.text.append(originalText.midRef(
tag.adjustedStart + tagLength,
entityStart,
entityLength));
}
from = tag.adjustedStart + tag.adjustedLength;
removed += 2 * tagLength;
removed += (tag.adjustedLength - entityLength);
}
addOriginalTagsUpTill(originalText.size());
addOriginalTextUpTill(originalText.size());