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refactor: added separate regex for single slash and minor change

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Also added lazy evaluator operator for single, double sign regex
and regex for multiline code for performance reason. Added missing
QStringLiteral
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noavarice 2017-07-08 19:28:19 +03:00 committed by noavarice
parent d48a479a39
commit 7b74cc5019
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GPG Key ID: 52A50775BE13DF17
1 changed files with 32 additions and 22 deletions
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54
src/chatlog/textformatter.cpp
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@ -23,46 +23,56 @@
// clang-format off
/* Easy way to get count of markdown symbols - through length of substring, captured by regex group.
/* Easy way to get count of markdown symbols - through length of substring, captured by reex group.
* If you suppose to change regexes, assure that this const points to right group.
*/
static constexpr uint8_t MARKDOWN_SYMBOLS_GROUP_INDEX = 1;
static const QString SINGLE_SIGN_PATTERN = QStringLiteral("(?<=^|\\s|\\n)"
static const QString SINGLE_SIGN_PATTERN = QStringLiteral("(?<=^|[\\s\\n])"
"([%1])"
"(?!\\s)"
"[^%1\\n]+"
"[^%1\\n]+?"
"(?<!\\s)"
"[%1]"
"(?=$|\\s|\\n)");
"(?=$|[\\s\\n])");
static const QString DOUBLE_SIGN_PATTERN = QStringLiteral("(?<=^|\\s|\\n)"
static const QString SINGLE_SLASH_PATTERN = QStringLiteral("(?<=^|[\\s\\n])"
"(/)"
"(?!\\s)"
"[^/\\n]+?"
"(?<!\\s)"
"/"
"(?=$|[\\s\\n])");
static const QString DOUBLE_SIGN_PATTERN = QStringLiteral("(?<=^|[\\s\\n])"
"([%1]{2})"
"(?!\\s)"
"[^\\n]+"
"[^\\n]+?"
"(?<!\\s)"
"[%1]{2}"
"(?=$|\\s|\\n)");
"(?=$|[\\s\\n])");
static const QString MULTILINE_CODE = QStringLiteral("(?<=^|[^`])"
static const QString MULTILINE_CODE = QStringLiteral("(?<=^|[\\s\\n])"
"(```)"
"(?!`)"
"(.|\\n)+"
"(?<!`)"
"(?![`\\s\\n])"
"(.|\\n)+?"
"(?<![`\\s\\n])"
"```"
"(?=$|[^`])");
"(?=$|[\\s\\n])");
static const QPair<QRegularExpression, QString> REGEX_TO_WRAPPER[] {
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('*')), "<b>%1</b>"},
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('/')), "<i>%1</i>"},
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('_')), "<u>%1</u>"},
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('~')), "<s>%1</s>"},
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('`')),"<font color=#595959><code>%1</code></font>"},
{QRegularExpression(DOUBLE_SIGN_PATTERN.arg('*')), "<b>%1</b>"},
{QRegularExpression(DOUBLE_SIGN_PATTERN.arg('/')), "<i>%1</i>"},
{QRegularExpression(DOUBLE_SIGN_PATTERN.arg('_')), "<u>%1</u>"},
{QRegularExpression(DOUBLE_SIGN_PATTERN.arg('~')), "<s>%1</s>"},
{QRegularExpression(MULTILINE_CODE), "<font color=#595959><code>%1</code></font>"}};
{QRegularExpression(SINGLE_SLASH_PATTERN), QStringLiteral("<i>%1</i>")},
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('*')), QStringLiteral("<b>%1</b>")},
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('_')), QStringLiteral("<u>%1</u>")},
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('~')), QStringLiteral("<s>%1</s>")},
{QRegularExpression(SINGLE_SIGN_PATTERN.arg('`')), QStringLiteral("<font color=#595959><code>"
"%1</code></font>")},
{QRegularExpression(DOUBLE_SIGN_PATTERN.arg('*')), QStringLiteral("<b>%1</b>")},
{QRegularExpression(DOUBLE_SIGN_PATTERN.arg('/')), QStringLiteral("<i>%1</i>")},
{QRegularExpression(DOUBLE_SIGN_PATTERN.arg('_')), QStringLiteral("<u>%1</u>")},
{QRegularExpression(DOUBLE_SIGN_PATTERN.arg('~')), QStringLiteral("<s>%1</s>")},
{QRegularExpression(MULTILINE_CODE), QStringLiteral("<font color=#595959><code>"
"%1</code></font>")}};
static const QString HREF_WRAPPER = QStringLiteral(R"(<a href="%1">%1</a>)");