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Code Issues Releases Wiki Activity

Some refactoring in working with text entities.

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Also move this code to TextUtilities namespace.
This commit is contained in:
John Preston
2017-07-06 14:37:42 +03:00
parent f38fad2f92
commit da0d78135d
44 changed files with 1003 additions and 984 deletions
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69
Telegram/SourceFiles/ui/text/text.cpp
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@@ -493,33 +493,32 @@ public:
}
TextParser(Text *t, const QString &text, const TextParseOptions &options) : _t(t),
src(text),
source { text },
rich(options.flags & TextParseRichText),
multiline(options.flags & TextParseMultiline),
stopAfterWidth(QFIXED_MAX) {
if (options.flags & TextParseLinks) {
textParseEntities(src, options.flags, &entities, rich);
TextUtilities::ParseEntities(source, options.flags, rich);
}
parse(options);
}
TextParser(Text *t, const TextWithEntities &textWithEntities, const TextParseOptions &options) : _t(t),
src(textWithEntities.text),
source(textWithEntities),
rich(options.flags & TextParseRichText),
multiline(options.flags & TextParseMultiline),
stopAfterWidth(QFIXED_MAX) {
auto preparsed = textWithEntities.entities;
auto &preparsed = textWithEntities.entities;
if ((options.flags & TextParseLinks) && !preparsed.isEmpty()) {
bool parseMentions = (options.flags & TextParseMentions);
bool parseHashtags = (options.flags & TextParseHashtags);
bool parseBotCommands = (options.flags & TextParseBotCommands);
bool parseMono = (options.flags & TextParseMono);
if (parseMentions && parseHashtags && parseBotCommands && parseMono) {
entities = preparsed;
} else {
if (!parseMentions || !parseHashtags || !parseBotCommands || !parseMono) {
int32 i = 0, l = preparsed.size();
entities.reserve(l);
const QChar s = src.size();
source.entities.clear();
source.entities.reserve(l);
const QChar s = source.text.size();
for (; i < l; ++i) {
auto type = preparsed.at(i).type();
if (((type == EntityInTextMention || type == EntityInTextMentionName) && !parseMentions) ||
@@ -528,7 +527,7 @@ public:
((type == EntityInTextBold || type == EntityInTextItalic || type == EntityInTextCode || type == EntityInTextPre) && !parseMono)) {
continue;
}
entities.push_back(preparsed.at(i));
source.entities.push_back(preparsed.at(i));
}
}
}
@@ -540,13 +539,13 @@ public:
stopAfterWidth = ((options.maxh / _t->_st->font->height) + 1) * options.maxw;
}
start = src.constData();
end = start + src.size();
start = source.text.constData();
end = start + source.text.size();
entitiesEnd = entities.cend();
waitingEntity = entities.cbegin();
entitiesEnd = source.entities.cend();
waitingEntity = source.entities.cbegin();
while (waitingEntity != entitiesEnd && waitingEntity->length() <= 0) ++waitingEntity;
int firstMonospaceOffset = EntityInText::firstMonospaceOffset(entities, end - start);
int firstMonospaceOffset = EntityInText::firstMonospaceOffset(source.entities, end - start);
ptr = start;
while (ptr != end && chIsTrimmed(*ptr, rich) && ptr != start + firstMonospaceOffset) {
@@ -587,50 +586,50 @@ public:
removeFlags.clear();
_t->_links.resize(maxLnkIndex);
for (Text::TextBlocks::const_iterator i = _t->_blocks.cbegin(), e = _t->_blocks.cend(); i != e; ++i) {
ITextBlock *b = *i;
for (auto i = _t->_blocks.cbegin(), e = _t->_blocks.cend(); i != e; ++i) {
auto b = *i;
if (b->lnkIndex() > 0x8000) {
lnkIndex = maxLnkIndex + (b->lnkIndex() - 0x8000);
if (_t->_links.size() < lnkIndex) {
_t->_links.resize(lnkIndex);
const TextLinkData &link(links[lnkIndex - maxLnkIndex - 1]);
auto &link = links[lnkIndex - maxLnkIndex - 1];
ClickHandlerPtr handler;
switch (link.type) {
case EntityInTextCustomUrl: handler.reset(new HiddenUrlClickHandler(link.data)); break;
case EntityInTextCustomUrl: handler = MakeShared<HiddenUrlClickHandler>(link.data); break;
case EntityInTextEmail:
case EntityInTextUrl: handler.reset(new UrlClickHandler(link.data, link.displayStatus == LinkDisplayedFull)); break;
case EntityInTextBotCommand: handler.reset(new BotCommandClickHandler(link.data)); break;
case EntityInTextUrl: handler = MakeShared<UrlClickHandler>(link.data, link.displayStatus == LinkDisplayedFull); break;
case EntityInTextBotCommand: handler = MakeShared<BotCommandClickHandler>(link.data); break;
case EntityInTextHashtag:
if (options.flags & TextTwitterMentions) {
handler.reset(new UrlClickHandler(qsl("https://twitter.com/hashtag/") + link.data.mid(1) + qsl("?src=hash"), true));
handler = MakeShared<UrlClickHandler>(qsl("https://twitter.com/hashtag/") + link.data.mid(1) + qsl("?src=hash"), true);
} else if (options.flags & TextInstagramMentions) {
handler.reset(new UrlClickHandler(qsl("https://instagram.com/explore/tags/") + link.data.mid(1) + '/', true));
handler = MakeShared<UrlClickHandler>(qsl("https://instagram.com/explore/tags/") + link.data.mid(1) + '/', true);
} else {
handler.reset(new HashtagClickHandler(link.data));
handler = MakeShared<HashtagClickHandler>(link.data);
}
break;
case EntityInTextMention:
if (options.flags & TextTwitterMentions) {
handler.reset(new UrlClickHandler(qsl("https://twitter.com/") + link.data.mid(1), true));
handler = MakeShared<UrlClickHandler>(qsl("https://twitter.com/") + link.data.mid(1), true);
} else if (options.flags & TextInstagramMentions) {
handler.reset(new UrlClickHandler(qsl("https://instagram.com/") + link.data.mid(1) + '/', true));
handler = MakeShared<UrlClickHandler>(qsl("https://instagram.com/") + link.data.mid(1) + '/', true);
} else {
handler.reset(new MentionClickHandler(link.data));
handler = MakeShared<MentionClickHandler>(link.data);
}
break;
case EntityInTextMentionName: {
UserId userId = 0;
uint64 accessHash = 0;
if (mentionNameToFields(link.data, &userId, &accessHash)) {
handler.reset(new MentionNameClickHandler(link.text, userId, accessHash));
auto fields = TextUtilities::MentionNameDataToFields(link.data);
if (fields.userId) {
handler = MakeShared<MentionNameClickHandler>(link.text, fields.userId, fields.accessHash);
} else {
LOG(("Bad mention name: %1").arg(link.data));
}
} break;
}
t_assert(!handler.isNull());
_t->setLink(lnkIndex, handler);
if (!handler.isNull()) {
_t->setLink(lnkIndex, handler);
}
}
b->setLnkIndex(lnkIndex);
}
@@ -667,11 +666,9 @@ private:
}
Text *_t;
QString src;
TextWithEntities source;
const QChar *start, *end, *ptr;
bool rich, multiline;
EntitiesInText entities;
EntitiesInText::const_iterator waitingEntity, entitiesEnd;
typedef QVector<TextLinkData> TextLinks;