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Snippet: show mangled replacements in snippets tooltip

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Fixes: QTCREATORBUG-24317
Change-Id: Ibaeacc13f49a933836ccf9c906309219e3533564
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
This commit is contained in:
David Schulz
2020-09-17 08:34:02 +02:00
parent c229c667cf
commit c8a3571426
1 changed files with 51 additions and 23 deletions
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74
src/plugins/texteditor/snippets/snippet.cpp
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@@ -26,6 +26,7 @@
#include "snippet.h" #include "snippet.h"
#include <utils/algorithm.h> #include <utils/algorithm.h>
#include <utils/qtcassert.h>
#include <utils/templateengine.h> #include <utils/templateengine.h>
#include <QTextDocument> #include <QTextDocument>
@@ -153,37 +154,64 @@ bool Snippet::isModified() const
return m_isModified; return m_isModified;
} }
struct SnippetReplacement
{
QString text;
int posDelta = 0;
};
static SnippetReplacement replacementAt(int pos, Snippet::ParsedSnippet &parsedSnippet)
{
static const char kOpenBold[] = "<b>";
static const char kCloseBold[] = "</b>";
auto mangledText = [](const QString &text, const Snippet::ParsedSnippet::Range &range) {
if (range.length == 0)
return QString("...");
if (NameMangler *mangler = range.mangler)
return mangler->mangle(text.mid(range.start, range.length));
return text.mid(range.start, range.length);
};
if (!parsedSnippet.ranges.isEmpty() && parsedSnippet.ranges.first().start == pos) {
Snippet::ParsedSnippet::Range range = parsedSnippet.ranges.takeFirst();
return {kOpenBold + mangledText(parsedSnippet.text, range) + kCloseBold, range.length};
}
return {};
}
QString Snippet::generateTip() const QString Snippet::generateTip() const
{ {
static const QLatin1Char kNewLine('\n'); static const QHash<QChar, QString> replacements = {{'\n', "<br>"},
static const QLatin1Char kSpace(' '); {' ', "&nbsp;"},
static const QLatin1String kBr("<br>"); {'"', "&quot;"},
static const QLatin1String kNbsp("&nbsp;"); {'&', "&amp;"},
static const QLatin1String kNoBr("<nobr>"); {'<', "&lt;"},
static const QLatin1String kOpenBold("<b>"); {'>', "&gt;"}};
static const QLatin1String kCloseBold("</b>");
static const QLatin1String kEllipsis("...");
QString escapedContent(m_content.toHtmlEscaped()); ParsedSnippet parsedSnippet = Snippet::parse(m_content);
escapedContent.replace(kNewLine, kBr);
escapedContent.replace(kSpace, kNbsp);
QString tip(kNoBr); QString tip("<nobr>");
int count = 0; int pos = 0;
for (int i = 0; i < escapedContent.count(); ++i) { for (int end = parsedSnippet.text.count(); pos < end;) {
if (escapedContent.at(i) != kVariableDelimiter) { const SnippetReplacement &replacement = replacementAt(pos, parsedSnippet);
tip += escapedContent.at(i); if (!replacement.text.isEmpty()) {
continue; tip += replacement.text;
} pos += replacement.posDelta;
if (++count % 2) {
tip += kOpenBold;
} else { } else {
if (escapedContent.at(i-1) == kVariableDelimiter) const QChar &currentChar = parsedSnippet.text.at(pos);
tip += kEllipsis; tip += replacements.value(currentChar, currentChar);
tip += kCloseBold; ++pos;
} }
} }
SnippetReplacement replacement = replacementAt(pos, parsedSnippet);
while (!replacement.text.isEmpty()) {
tip += replacement.text;
pos += replacement.posDelta;
replacement = replacementAt(pos, parsedSnippet);
}
QTC_CHECK(parsedSnippet.ranges.isEmpty());
return tip; return tip;
} }