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Editor: Allow for nicer completion with underscore-style names.

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C.gac<complete> now matches get_action_controller

This also changes the behavior of case insensitive mode slightly:
C.gac<complete> now also matches getActionController.

Change-Id: If4b517651732722e2c4b0820198f82cbfc9f5db0
Reviewed-by: David Schulz <david.schulz@digia.com>
This commit is contained in:
Christian Kamm
2012-10-14 15:52:42 +02:00
parent c76ddfc489
commit f9e9d09e3e
1 changed files with 25 additions and 10 deletions
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35
src/plugins/texteditor/codeassist/basicproposalitemlistmodel.cpp
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@@ -193,14 +193,21 @@ void BasicProposalItemListModel::filter(const QString &prefix)
/* /*
* This code builds a regular expression in order to more intelligently match * This code builds a regular expression in order to more intelligently match
* camel-case style. This means upper-case characters will be rewritten as follows: * camel-case and underscore names.
* *
* A => [a-z0-9_]*A (for any but the first capital letter) * For any but the first letter, the following replacements are made:
* A => [a-z0-9_]*A
* a => (?:[a-zA-Z0-9]*_)?a
* *
* Meaning it allows any sequence of lower-case characters to preceed an * That means any sequence of lower-case or underscore characters can preceed an
* upper-case character. So for example gAC matches getActionController. * upper-case character. And any sequence of lower-case or upper case characters -
* followed by an underscore can preceed a lower-case character.
* *
* It also implements the first-letter-only case sensitivity. * Examples: (case sensitive mode)
* gAC matches getActionController
* gac matches get_action_controller
*
* It also implements the fully and first-letter-only case sensitivity.
*/ */
const TextEditor::CaseSensitivity caseSensitivity = const TextEditor::CaseSensitivity caseSensitivity =
TextEditorSettings::instance()->completionSettings().m_caseSensitivity; TextEditorSettings::instance()->completionSettings().m_caseSensitivity;
@@ -208,21 +215,29 @@ void BasicProposalItemListModel::filter(const QString &prefix)
QString keyRegExp; QString keyRegExp;
keyRegExp += QLatin1Char('^'); keyRegExp += QLatin1Char('^');
bool first = true; bool first = true;
const QLatin1String wordContinuation("[a-z0-9_]*"); const QLatin1String uppercaseWordContinuation("[a-z0-9_]*");
const QLatin1String lowercaseWordContinuation("(?:[a-zA-Z0-9]*_)?");
foreach (const QChar &c, prefix) { foreach (const QChar &c, prefix) {
if (caseSensitivity == TextEditor::CaseInsensitive || if (caseSensitivity == TextEditor::CaseInsensitive ||
(caseSensitivity == TextEditor::FirstLetterCaseSensitive && !first)) { (caseSensitivity == TextEditor::FirstLetterCaseSensitive && !first)) {
keyRegExp += QLatin1String("(?:"); keyRegExp += QLatin1String("(?:");
if (c.isUpper() && !first) if (!first)
keyRegExp += wordContinuation; keyRegExp += uppercaseWordContinuation;
keyRegExp += QRegExp::escape(c.toUpper()); keyRegExp += QRegExp::escape(c.toUpper());
keyRegExp += QLatin1Char('|'); keyRegExp += QLatin1Char('|');
if (!first)
keyRegExp += lowercaseWordContinuation;
keyRegExp += QRegExp::escape(c.toLower()); keyRegExp += QRegExp::escape(c.toLower());
keyRegExp += QLatin1Char(')'); keyRegExp += QLatin1Char(')');
} else { } else {
if (c.isUpper() && !first) if (!first) {
keyRegExp += wordContinuation; if (c.isUpper()) {
keyRegExp += uppercaseWordContinuation;
} else {
keyRegExp += lowercaseWordContinuation;
}
}
keyRegExp += QRegExp::escape(c); keyRegExp += QRegExp::escape(c);
} }