Move i/o stream classes into own directory. Add README.

1 files changed, 0 insertions, 248 deletions

diff --git a/src/io/xsltstream.cpp b/src/io/xsltstream.cpp
deleted file mode 100644
index 882db30b2..000000000
--- a/src/io/xsltstream.cpp
+++ /dev/null
@@ -1,248 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * XSL Transforming input and output classes
- *
- * Authors:
- *   Bob Jamison <ishmalius@gmail.com>
- *
- * Copyright (C) 2004-2008 Inkscape.org
- *
- * Released under GNU GPL v2+, read the file 'COPYING' for more information.
- */
-
-
-#include "xsltstream.h"
-#include "stringstream.h"
-#include <libxslt/transform.h>
-
-
-
-
-namespace Inkscape
-{
-namespace IO
-{
-
-//#########################################################################
-//# X S L T    S T Y L E S H E E T
-//#########################################################################
-
-/**
- *
- */
-XsltStyleSheet::XsltStyleSheet(InputStream &xsltSource)
-              
-                   : stylesheet(nullptr)
-{
-    if (!read(xsltSource)) {
-        throw StreamException("read failed");
-        }
-}
-
-/**
- *
- */
-XsltStyleSheet::XsltStyleSheet()
-                    : stylesheet(nullptr)
-{
-}
-
-
-
-/**
- *
- */
-bool XsltStyleSheet::read(InputStream &xsltSource)
-{
-    StringOutputStream outs;
-    pipeStream(xsltSource, outs);
-    std::string strBuf = outs.getString().raw();
-    xmlDocPtr doc = xmlParseMemory(strBuf.c_str(), strBuf.size());
-    stylesheet = xsltParseStylesheetDoc(doc);
-    //following not necessary.  handled by xsltFreeStylesheet(stylesheet);
-    //xmlFreeDoc(doc);
-    if (!stylesheet)
-        return false;
-    return true;
-}
-
-
-/**
- *
- */ 
-XsltStyleSheet::~XsltStyleSheet()
-{
-    if (stylesheet)
-        xsltFreeStylesheet(stylesheet);
-}
-
-
-
-//#########################################################################
-//# X S L T    I N P U T    S T R E A M
-//#########################################################################
-
-
-/**
- *
- */ 
-XsltInputStream::XsltInputStream(InputStream &xmlSource, XsltStyleSheet &sheet)
-                        : BasicInputStream(xmlSource), stylesheet(sheet)
-{
-    //Load the data
-    StringOutputStream outs;
-    pipeStream(source, outs);
-    std::string strBuf = outs.getString().raw();
-    
-    //Do the processing
-    const char *params[1];
-    params[0] = nullptr;
-    xmlDocPtr srcDoc = xmlParseMemory(strBuf.c_str(), strBuf.size());
-    xmlDocPtr resDoc = xsltApplyStylesheet(stylesheet.stylesheet, srcDoc, params);
-    xmlDocDumpFormatMemory(resDoc, &outbuf, &outsize, 1);
-    outpos = 0;
-        
-    //Free our mem
-    xmlFreeDoc(resDoc);
-    xmlFreeDoc(srcDoc);
-}
-
-/**
- *
- */ 
-XsltInputStream::~XsltInputStream()
-{
-    xmlFree(outbuf);
-}
-
-/**
- * Returns the number of bytes that can be read (or skipped over) from
- * this input stream without blocking by the next caller of a method for
- * this input stream.
- */ 
-int XsltInputStream::available()
-{
-    return outsize - outpos;
-}
-
-    
-/**
- *  Closes this input stream and releases any system resources
- *  associated with the stream.
- */ 
-void XsltInputStream::close()
-{
-    closed = true;
-}
-    
-/**
- * Reads the next byte of data from the input stream.  -1 if EOF
- */ 
-int XsltInputStream::get()
-{
-    if (closed)
-        return -1;
-    if (outpos >= outsize)
-        return -1;
-    int ch = (int) outbuf[outpos++];
-    return ch;
-}
-   
-
-
-
-
-
-//#########################################################################
-//#  X S L T     O U T P U T    S T R E A M
-//#########################################################################
-
-/**
- *
- */ 
-XsltOutputStream::XsltOutputStream(OutputStream &dest, XsltStyleSheet &sheet)
-                     : BasicOutputStream(dest), stylesheet(sheet)
-{
-    flushed = false;
-}
-
-/**
- *
- */ 
-XsltOutputStream::~XsltOutputStream()
-{
-    //do not automatically close
-}
-
-/**
- * Closes this output stream and releases any system resources
- * associated with this stream.
- */ 
-void XsltOutputStream::close()
-{
-    flush();
-    destination.close();
-}
-    
-/**
- *  Flushes this output stream and forces any buffered output
- *  bytes to be written out.
- */ 
-void XsltOutputStream::flush()
-{
-    if (flushed)
-        {
-        destination.flush();
-        return;
-        }
-        
-    //Do the processing
-    xmlChar *resbuf;
-    int resSize;
-    const char *params[1];
-    params[0] = nullptr;
-    xmlDocPtr srcDoc = xmlParseMemory(outbuf.raw().c_str(), outbuf.size());
-    xmlDocPtr resDoc = xsltApplyStylesheet(stylesheet.stylesheet, srcDoc, params);
-    xmlDocDumpFormatMemory(resDoc, &resbuf, &resSize, 1);
-    /*
-    xmlErrorPtr err = xmlGetLastError();
-    if (err)
-        {
-        throw StreamException(err->message);
-        }
-    */
-
-    for (int i=0 ; i<resSize ; i++)
-        {
-        char ch = resbuf[i];
-        destination.put(ch);
-        }
-        
-    //Free our mem
-    xmlFree(resbuf);
-    xmlFreeDoc(resDoc);
-    xmlFreeDoc(srcDoc);
-    destination.flush();
-    flushed = true;
-}
-    
-/**
- * Writes the specified byte to this output stream.
- */ 
-int XsltOutputStream::put(char ch)
-{
-    outbuf.push_back(ch);
-	return 1;
-}
-
-
-
-
-
-} // namespace IO
-} // namespace Inkscape
-
-
-//#########################################################################
-//# E N D    O F    F I L E
-//#########################################################################