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Commits
0dc86631
Commit
0dc86631
authored
Jan 31, 2019
by
Jan Möbius
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Added yntax Highlighting for python
parent
0d0651b3
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3 changed files
with
260 additions
and
2 deletions
+260
-2
widgets/pythonWidget/PythonSyntaxHighlighter.cc
widgets/pythonWidget/PythonSyntaxHighlighter.cc
+183
-0
widgets/pythonWidget/PythonSyntaxHighlighter.hh
widgets/pythonWidget/PythonSyntaxHighlighter.hh
+73
-0
widgets/pythonWidget/pythonWidget.cc
widgets/pythonWidget/pythonWidget.cc
+4
-2
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widgets/pythonWidget/PythonSyntaxHighlighter.cc
0 → 100644
View file @
0dc86631
/*
This is a C++ port of the following PyQt example
http://diotavelli.net/PyQtWiki/Python%20syntax%20highlighting
C++ port by Frankie Simon (www.kickdrive.de, www.fuh-edv.de)
The following free software license applies for this file ("X11 license"):
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial
portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "PythonSyntaxHighlighter.hh"
PythonSyntaxHighlighter
::
PythonSyntaxHighlighter
(
QTextDocument
*
parent
)
:
QSyntaxHighlighter
(
parent
)
{
keywords
=
QStringList
()
<<
"and"
<<
"assert"
<<
"break"
<<
"class"
<<
"continue"
<<
"def"
<<
"del"
<<
"elif"
<<
"else"
<<
"except"
<<
"exec"
<<
"finally"
<<
"for"
<<
"from"
<<
"global"
<<
"if"
<<
"import"
<<
"in"
<<
"is"
<<
"lambda"
<<
"not"
<<
"or"
<<
"pass"
<<
"print"
<<
"raise"
<<
"return"
<<
"try"
<<
"while"
<<
"yield"
<<
"None"
<<
"True"
<<
"False"
;
operators
=
QStringList
()
<<
"="
<<
// Comparison
"=="
<<
"!="
<<
"<"
<<
"<="
<<
">"
<<
">="
<<
// Arithmetic
"
\\
+"
<<
"-"
<<
"
\\
*"
<<
"/"
<<
"//"
<<
"%"
<<
"
\\
*
\\
*"
<<
// In-place
"
\\
+="
<<
"-="
<<
"
\\
*="
<<
"/="
<<
"%="
<<
// Bitwise
"
\\
^"
<<
"
\\
|"
<<
"&"
<<
"~"
<<
">>"
<<
"<<"
;
braces
=
QStringList
()
<<
"{"
<<
"}"
<<
"
\\
("
<<
"
\\
)"
<<
"
\\
["
<<
"]"
;
basicStyles
.
insert
(
"keyword"
,
getTextCharFormat
(
"blue"
));
basicStyles
.
insert
(
"operator"
,
getTextCharFormat
(
"red"
));
basicStyles
.
insert
(
"brace"
,
getTextCharFormat
(
"darkGray"
));
basicStyles
.
insert
(
"defclass"
,
getTextCharFormat
(
"black"
,
"bold"
));
basicStyles
.
insert
(
"brace"
,
getTextCharFormat
(
"darkGray"
));
basicStyles
.
insert
(
"string"
,
getTextCharFormat
(
"magenta"
));
basicStyles
.
insert
(
"string2"
,
getTextCharFormat
(
"darkMagenta"
));
basicStyles
.
insert
(
"comment"
,
getTextCharFormat
(
"darkGreen"
,
"italic"
));
basicStyles
.
insert
(
"self"
,
getTextCharFormat
(
"black"
,
"italic"
));
basicStyles
.
insert
(
"numbers"
,
getTextCharFormat
(
"brown"
));
triSingleQuote
.
setPattern
(
"'''"
);
triDoubleQuote
.
setPattern
(
"
\"\"\"
"
);
initializeRules
();
}
void
PythonSyntaxHighlighter
::
initializeRules
()
{
foreach
(
QString
currKeyword
,
keywords
)
{
rules
.
append
(
HighlightingRule
(
QString
(
"
\\
b%1
\\
b"
).
arg
(
currKeyword
),
0
,
basicStyles
.
value
(
"keyword"
)));
}
foreach
(
QString
currOperator
,
operators
)
{
rules
.
append
(
HighlightingRule
(
QString
(
"%1"
).
arg
(
currOperator
),
0
,
basicStyles
.
value
(
"operator"
)));
}
foreach
(
QString
currBrace
,
braces
)
{
rules
.
append
(
HighlightingRule
(
QString
(
"%1"
).
arg
(
currBrace
),
0
,
basicStyles
.
value
(
"brace"
)));
}
// 'self'
rules
.
append
(
HighlightingRule
(
"
\\
bself
\\
b"
,
0
,
basicStyles
.
value
(
"self"
)));
// Double-quoted string, possibly containing escape sequences
// FF: originally in python : r'"[^"\\]*(\\.[^"\\]*)*"'
rules
.
append
(
HighlightingRule
(
"
\"
[^
\"\\\\
]*(
\\\\
.[^
\"\\\\
]*)*
\"
"
,
0
,
basicStyles
.
value
(
"string"
)));
// Single-quoted string, possibly containing escape sequences
// FF: originally in python : r"'[^'\\]*(\\.[^'\\]*)*'"
rules
.
append
(
HighlightingRule
(
"'[^'
\\\\
]*(
\\\\
.[^'
\\\\
]*)*'"
,
0
,
basicStyles
.
value
(
"string"
)));
// 'def' followed by an identifier
// FF: originally: r'\bdef\b\s*(\w+)'
rules
.
append
(
HighlightingRule
(
"
\\
bdef
\\
b
\\
s*(
\\
w+)"
,
1
,
basicStyles
.
value
(
"defclass"
)));
// 'class' followed by an identifier
// FF: originally: r'\bclass\b\s*(\w+)'
rules
.
append
(
HighlightingRule
(
"
\\
bclass
\\
b
\\
s*(
\\
w+)"
,
1
,
basicStyles
.
value
(
"defclass"
)));
// From '#' until a newline
// FF: originally: r'#[^\\n]*'
rules
.
append
(
HighlightingRule
(
"#[^
\\
n]*"
,
0
,
basicStyles
.
value
(
"comment"
)));
// Numeric literals
rules
.
append
(
HighlightingRule
(
"
\\
b[+-]?[0-9]+[lL]?
\\
b"
,
0
,
basicStyles
.
value
(
"numbers"
)));
// r'\b[+-]?[0-9]+[lL]?\b'
rules
.
append
(
HighlightingRule
(
"
\\
b[+-]?0[xX][0-9A-Fa-f]+[lL]?
\\
b"
,
0
,
basicStyles
.
value
(
"numbers"
)));
// r'\b[+-]?0[xX][0-9A-Fa-f]+[lL]?\b'
rules
.
append
(
HighlightingRule
(
"
\\
b[+-]?[0-9]+(?:
\\
.[0-9]+)?(?:[eE][+-]?[0-9]+)?
\\
b"
,
0
,
basicStyles
.
value
(
"numbers"
)));
// r'\b[+-]?[0-9]+(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?\b'
}
void
PythonSyntaxHighlighter
::
highlightBlock
(
const
QString
&
text
)
{
foreach
(
HighlightingRule
currRule
,
rules
)
{
int
idx
=
currRule
.
pattern
.
indexIn
(
text
,
0
);
while
(
idx
>=
0
)
{
// Get index of Nth match
idx
=
currRule
.
pattern
.
pos
(
currRule
.
nth
);
int
length
=
currRule
.
pattern
.
cap
(
currRule
.
nth
).
length
();
setFormat
(
idx
,
length
,
currRule
.
format
);
idx
=
currRule
.
pattern
.
indexIn
(
text
,
idx
+
length
);
}
}
setCurrentBlockState
(
0
);
// Do multi-line strings
bool
isInMultilne
=
matchMultiline
(
text
,
triSingleQuote
,
1
,
basicStyles
.
value
(
"string2"
));
if
(
!
isInMultilne
)
isInMultilne
=
matchMultiline
(
text
,
triDoubleQuote
,
2
,
basicStyles
.
value
(
"string2"
));
}
bool
PythonSyntaxHighlighter
::
matchMultiline
(
const
QString
&
text
,
const
QRegExp
&
delimiter
,
const
int
inState
,
const
QTextCharFormat
&
style
)
{
int
start
=
-
1
;
int
add
=
-
1
;
int
end
=
-
1
;
int
length
=
0
;
// If inside triple-single quotes, start at 0
if
(
previousBlockState
()
==
inState
)
{
start
=
0
;
add
=
0
;
}
// Otherwise, look for the delimiter on this line
else
{
start
=
delimiter
.
indexIn
(
text
);
// Move past this match
add
=
delimiter
.
matchedLength
();
}
// As long as there's a delimiter match on this line...
while
(
start
>=
0
)
{
// Look for the ending delimiter
end
=
delimiter
.
indexIn
(
text
,
start
+
add
);
// Ending delimiter on this line?
if
(
end
>=
add
)
{
length
=
end
-
start
+
add
+
delimiter
.
matchedLength
();
setCurrentBlockState
(
0
);
}
// No; multi-line string
else
{
setCurrentBlockState
(
inState
);
length
=
text
.
length
()
-
start
+
add
;
}
// Apply formatting and look for next
setFormat
(
start
,
length
,
style
);
start
=
delimiter
.
indexIn
(
text
,
start
+
length
);
}
// Return True if still inside a multi-line string, False otherwise
if
(
currentBlockState
()
==
inState
)
return
true
;
else
return
false
;
}
const
QTextCharFormat
PythonSyntaxHighlighter
::
getTextCharFormat
(
const
QString
&
colorName
,
const
QString
&
style
)
{
QTextCharFormat
charFormat
;
QColor
color
(
colorName
);
charFormat
.
setForeground
(
color
);
if
(
style
.
contains
(
"bold"
,
Qt
::
CaseInsensitive
))
charFormat
.
setFontWeight
(
QFont
::
Bold
);
if
(
style
.
contains
(
"italic"
,
Qt
::
CaseInsensitive
))
charFormat
.
setFontItalic
(
true
);
return
charFormat
;
}
widgets/pythonWidget/PythonSyntaxHighlighter.hh
0 → 100644
View file @
0dc86631
/*
This is a C++ port of the following PyQt example
http://diotavelli.net/PyQtWiki/Python%20syntax%20highlighting
C++ port by Frankie Simon (docklight.de, www.fuh-edv.de)
The following free software license applies for this file ("X11 license"):
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial
portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <QSyntaxHighlighter>
//! Container to describe a highlighting rule. Based on a regular expression, a relevant match # and the format.
class
HighlightingRule
{
public:
HighlightingRule
(
const
QString
&
patternStr
,
int
n
,
const
QTextCharFormat
&
matchingFormat
)
{
originalRuleStr
=
patternStr
;
pattern
=
QRegExp
(
patternStr
);
nth
=
n
;
format
=
matchingFormat
;
}
QString
originalRuleStr
;
QRegExp
pattern
;
int
nth
;
QTextCharFormat
format
;
};
//! Implementation of highlighting for Python code.
class
PythonSyntaxHighlighter
:
public
QSyntaxHighlighter
{
Q_OBJECT
public:
PythonSyntaxHighlighter
(
QTextDocument
*
parent
=
0
);
protected:
void
highlightBlock
(
const
QString
&
text
);
private:
QStringList
keywords
;
QStringList
operators
;
QStringList
braces
;
QHash
<
QString
,
QTextCharFormat
>
basicStyles
;
void
initializeRules
();
//! Highlighst multi-line strings, returns true if after processing we are still within the multi-line section.
bool
matchMultiline
(
const
QString
&
text
,
const
QRegExp
&
delimiter
,
const
int
inState
,
const
QTextCharFormat
&
style
);
const
QTextCharFormat
getTextCharFormat
(
const
QString
&
colorName
,
const
QString
&
style
=
QString
());
QList
<
HighlightingRule
>
rules
;
QRegExp
triSingleQuote
;
QRegExp
triDoubleQuote
;
};
widgets/pythonWidget/pythonWidget.cc
View file @
0dc86631
...
...
@@ -47,6 +47,7 @@
#endif
#include "pythonWidget.hh"
#include "PythonSyntaxHighlighter.hh"
#include <iostream>
#include <QObject>
...
...
@@ -61,7 +62,7 @@ PythonWidget::PythonWidget(QWidget *parent )
{
setupUi
(
this
);
PythonSyntaxHighlighter
*
pythonHighlighter
=
new
PythonSyntaxHighlighter
(
scriptWidget
->
document
());
connect
(
RunButton
,
SIGNAL
(
clicked
()
),
this
,
SLOT
(
runScript
())
);
...
...
@@ -95,8 +96,9 @@ void PythonWidget::runScript() {
#ifdef PYTHON_ENABLED
PythonInterpreter
*
interpreter
=
PythonInterpreter
::
getInstance
();
interpreter
->
runScript
(
scriptWidget
->
toPlainText
());
#else
std
::
cerr
<<
"OpenFlipper is not compiled with python support. Unable to execute script!"
<<
std
::
endl
;
#endif
}
...
...
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