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ghostwriter/src/SundownExporter.cpp at dev · jackcoolpython/ghostwriter · GitHub
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SundownExporter.cpp
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/*
**********************************************************************
*
* Copyright (C) 2014, 2015 wereturtle
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
**********************************************************************
*/
#
include
<
stdio.h
>
#
include
<
stdlib.h
>
#
include
<
string.h
>
#
include
<
errno.h
>
#
include
<
QObject
>
#
include
<
QFile
>
#
include
<
QFileInfo
>
#
include
<
QTextStream
>
#
include
"
SundownExporter.h
"
#
include
"
sundown/markdown.h
"
#
include
"
sundown/html.h
"
#
include
"
sundown/buffer.h
"
SundownExporter::SundownExporter
() : Exporter(
"
Sundown
"
)
{
supportedFormats.
append
(ExportFormat::
HTML
);
}
SundownExporter::~SundownExporter
()
{
}
void
SundownExporter::exportToHtml
(
const
QString& text, QString& html)
{
QByteArray latin1Text = text.
toUtf8
().
data
();
struct
buf
* htmlOutputBuffer =
bufnew
(
1024
);
struct
sd_callbacks
callbacks;
struct
html_renderopt
options;
struct
sd_markdown
* markdown;
sdhtml_renderer
(&callbacks, &options,
0
);
markdown = sd_markdown_new
(
MKDEXT_TABLES
|
MKDEXT_FENCED_CODE
|
MKDEXT_SPACE_HEADERS
|
MKDEXT_SUPERSCRIPT
|
MKDEXT_STRIKETHROUGH
|
MKDEXT_AUTOLINK
,
16
,
&callbacks,
&options
);
sd_markdown_render
(
htmlOutputBuffer,
(
const
uint8_t
*) latin1Text.
data
(),
latin1Text.
length
(),
markdown
);
sd_markdown_free
(markdown);
if
(
this
->
getSmartTypographyEnabled
())
{
//
Run HTML through smarty pants to get fancy quotation marks, etc.
struct
buf
* smartyPantsBuffer =
bufnew
(
1024
);
sdhtml_smartypants
(
smartyPantsBuffer,
htmlOutputBuffer->
data
,
htmlOutputBuffer->
size
);
//
Use QString::fromUtf8 to ensure proper encoding in case there are
//
unicode characters in the output HTML.
//
html = QString::fromUtf8
(
(
char
*) smartyPantsBuffer->
data
,
smartyPantsBuffer->
size
);
bufrelease
(smartyPantsBuffer);
}
else
{
//
Use QString::fromUtf8 to ensure proper encoding in case there are
//
unicode characters in the output HTML.
//
html = QString::fromUtf8
(
(
char
*) htmlOutputBuffer->
data
,
htmlOutputBuffer->
size
);
}
bufrelease
(htmlOutputBuffer);
}
void
SundownExporter::exportToFile
(
const
ExportFormat* format,
const
QString& inputFilePath,
const
QString& text,
const
QString& outputFilePath,
QString& err
)
{
Q_UNUSED
(inputFilePath);
QString html;
if
(ExportFormat::
HTML
!= format)
{
err =
QObject::tr
(
"
%1 format is unsupported by the Sundown processor.
"
)
.
arg
(format->
getName
());
return
;
}
exportToHtml
(text, html);
if
(html.
isNull
())
{
err =
"
Export failed
"
;
return
;
}
QFile
outputFile
(outputFilePath);
if
(!outputFile.
open
(QIODevice::WriteOnly | QIODevice::Truncate))
{
err = outputFile.
errorString
();
return
;
}
//
Write contents to disk.
QTextStream
outStream
(&outputFile);
//
Specify the character set (UTF-8) for the HTML document.
//
Browsers typically can't tell if the HTML has unicode characters
//
unless UTF-8 is specified in the <head> section.
//
outStream <<
"
<html><head><meta http-equiv=
\"
Content-Type
\"
"
"
content=
\"
text/html; charset=utf-8
\"
/>
"
"
<title></title></head><body>
"
;
outStream << html;
outStream <<
"
</body></html>
"
;
if
(QFile::NoError != outputFile.
error
())
{
err = outputFile.
errorString
();
}
//
Close the file. All done!
outputFile.
close
();
}
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