eric7/QScintilla/Lexers/LexerQSS.py

branch
eric7
changeset 8312
800c432b34c8
parent 8243
cc717c2ae956
child 8318
962bce857696
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/QScintilla/Lexers/LexerQSS.py	Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,173 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2005 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a QSS lexer with some additional methods.
+"""
+
+import contextlib
+
+from PyQt5.Qsci import QsciLexerCSS
+
+from .Lexer import Lexer
+import Preferences
+
+
+class LexerQSS(Lexer, QsciLexerCSS):
+    """
+    Subclass to implement some additional lexer dependent methods.
+    """
+    def __init__(self, parent=None):
+        """
+        Constructor
+        
+        @param parent parent widget of this lexer
+        """
+        QsciLexerCSS.__init__(self, parent)
+        Lexer.__init__(self)
+        
+        self.commentString = "#"
+        self.streamCommentString = {
+            'start': '/* ',
+            'end': ' */'
+        }
+        
+        self.keywordSetDescriptions = [
+            self.tr("CSS1 Properties"),
+            self.tr("Pseudo-Classes"),
+            self.tr("CSS2 Properties"),
+            self.tr("CSS3 Properties"),
+            self.tr("Pseudo-Elements"),
+            self.tr("Browser-Specific CSS Properties"),
+            self.tr("Browser-Specific Pseudo-Classes"),
+            self.tr("Browser-Specific Pseudo-Elements"),
+        ]
+    
+    def initProperties(self):
+        """
+        Public slot to initialize the properties.
+        """
+        self.setFoldComments(Preferences.getEditor("CssFoldComment"))
+        self.setFoldCompact(Preferences.getEditor("AllFoldCompact"))
+        with contextlib.suppress(AttributeError):
+            self.setHSSLanguage(
+                Preferences.getEditor("CssHssSupport"))
+            self.setLessLanguage(
+                Preferences.getEditor("CssLessSupport"))
+            self.setSCSSLanguage(
+                Preferences.getEditor("CssSassySupport"))
+    
+    def isCommentStyle(self, style):
+        """
+        Public method to check, if a style is a comment style.
+        
+        @param style style to check (integer)
+        @return flag indicating a comment style (boolean)
+        """
+        return style in [QsciLexerCSS.Comment]
+    
+    def isStringStyle(self, style):
+        """
+        Public method to check, if a style is a string style.
+        
+        @param style style to check (integer)
+        @return flag indicating a string style (boolean)
+        """
+        return style in [QsciLexerCSS.DoubleQuotedString,
+                         QsciLexerCSS.SingleQuotedString]
+    
+    def defaultKeywords(self, kwSet):
+        """
+        Public method to get the default keywords.
+        
+        @param kwSet number of the keyword set (integer)
+        @return string giving the keywords (string) or None
+        """
+        if kwSet == 1:
+            return (
+                "alternate-background-color background background-color"
+                " background-image background-repeat background-position"
+                " background-attachment background-clip background-origin"
+                " border border-top border-right border-bottom border-left"
+                " border-color border-top-color border-right-color"
+                " border-bottom-color border-left-color border-image"
+                " border-radius border-top-left-radius"
+                " border-top-right-radius border-bottom-right-radius"
+                " border-bottom-left-radius border-style border-top-style"
+                " border-right-style border-bottom-style border-left-style"
+                " border-width border-top-width border-right-width"
+                " border-bottom-width border-left-width bottom button-layout"
+                " color dialogbuttonbox-buttons-have-icons font font-family"
+                " font-size font-style font-weight gridline-color"
+                " height icon-size image image-position left"
+                " lineedit-password-character margin margin-top margin-right"
+                " margin-bottom margin-left max-height max-width"
+                " messagebox-text-interaction-flags min-height min-width"
+                " opacity outline padding padding-top padding-right"
+                " padding-bottom padding-left"
+                " paint-alternating-row-colors-for-empty-area"
+                " position right selection-background-color selection-color"
+                " show-decoration-selected spacing subcontrol-origin"
+                " subcontrol-position text-align text-decoration"
+                " top width"
+                ""
+                " backward-icon cd-icon computer-icon desktop-icon"
+                " dialog-apply-icon dialog-cancel-icon dialog-close-icon"
+                " dialog-discard-icon dialog-help-icon dialog-no-icon"
+                " dialog-ok-icon dialog-open-icon dialog-reset-icon"
+                " dialog-save-icon dialog-yes-icon directory-closed-icon"
+                " directory-icon directory-link-icon directory-open-icon"
+                " dockwidget-close-icon downarrow-icon dvd-icon file-icon"
+                " file-link-icon filedialog-contentsview-icon"
+                " filedialog-detailedview-icon filedialog-end-icon"
+                " filedialog-infoview-icon filedialog-listview-icon"
+                " filedialog-new-directory-icon"
+                " filedialog-parent-directory-icon filedialog-start-icon"
+                " floppy-icon forward-icon harddisk-icon home-icon"
+                " leftarrow-icon messagebox-critical-icon"
+                " messagebox-information-icon messagebox-question-icon"
+                " messagebox-warning-icon network-icon rightarrow-icon"
+                " titlebar-contexthelp-icon titlebar-maximize-icon"
+                " titlebar-menu-icon titlebar-minimize-icon"
+                " titlebar-normal-icon titlebar-shade-icon"
+                " titlebar-unshade-icon trash-icon uparrow-icon"
+            )
+        elif kwSet == 2:
+            return (
+                "active adjoins-item alternate bottom checked closable"
+                " closed default disabled editable edit-focus enabled"
+                " exclusive first flat floatable focus has-children"
+                " has-siblings horizontal hover indeterminate last left"
+                " maximized middle minimized movable no-frame"
+                " non-exclusive off on only-one open next-selected"
+                " pressed previous-selected read-only right selected top"
+                " unchecked vertical window"
+                ""
+                " add-line add-page branch chunk close-button corner"
+                " down-arrow down-button drop-down float-button groove"
+                " indicator handle icon item left-arrow left-corner"
+                " menu-arrow menu-button menu-indicator right-arrow"
+                " pane right-corner scroller section separator sub-line"
+                " sub-page tab tab-bar tear tearoff text title up-arrow"
+                " up-button"
+            )
+        
+        return None
+    
+    def language(self):
+        """
+        Public method to return the lexer language.
+        
+        @return lexer language (string)
+        """
+        return "QSS"
+    
+    def lexerName(self):
+        """
+        Public method to return the lexer name.
+        
+        @return lexer name (string)
+        """
+        return "QSS"

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