Merge pull request #4 from FOSSEE/develop

merging dev into master

1 files changed, 319 insertions, 0 deletions

diff --git a/lib_dxf/intern/dxfwriter.cpp b/lib_dxf/intern/dxfwriter.cpp
new file mode 100644
index 0000000..fcd9fe7
--- /dev/null
+++ b/lib_dxf/intern/dxfwriter.cpp
@@ -0,0 +1,319 @@
+/******************************************************************************
+**  libDXFrw - Library to read/write DXF files (ascii & binary)              **
+**                                                                           **
+**  Copyright (C) 2011 Rallaz, rallazz@gmail.com                             **
+**                                                                           **
+**  This library is free software, licensed under the terms of the GNU       **
+**  General Public License as published by the Free Software Foundation,     **
+**  either version 2 of the License, or (at your option) any later version.  **
+**  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 <stdlib.h>
+#include <fstream>
+#include <string>
+#include <algorithm>
+#include "dxfwriter.h"
+
+#ifdef DRW_DBG
+#include <iostream>    // for debug
+#define DBG( a ) std::cerr << a
+#else
+#define DBG( a )
+#endif
+
+// RLZ TODO change std::endl to x0D x0A (13 10)
+/*bool dxfWriter::readRec(int *codeData, bool skip) {
+ *  //    std::string text;
+ *   int code;
+ *
+ * #ifdef DRW_DBG
+ *   count = count+2; //DBG
+ * #endif
+ *
+ *   if (!readCode(&code))
+ *       return false;
+ * codeData = code;
+ *
+ *   if (code < 10)
+ *       readString();
+ *   else if (code < 60)
+ *       readDouble();
+ *   else if (code < 80)
+ *       readInt();
+ *   else if (code > 89 && code < 100) //TODO this is an int 32b
+ *       readInt32();
+ *   else if (code == 100 || code == 102 || code == 105)
+ *       readString();
+ *   else if (code > 109 && code < 150) //skip not used at the v2012
+ *       readDouble();
+ *   else if (code > 159 && code < 170) //skip not used at the v2012
+ *       readInt64();
+ *   else if (code < 180)
+ *       readInt();
+ *   else if (code > 209 && code < 240) //skip not used at the v2012
+ *       readDouble();
+ *   else if (code > 269 && code < 290) //skip not used at the v2012
+ *       readInt();
+ *   else if (code < 300) //TODO this is a boolean indicator, int in Binary?
+ *       readBool();
+ *   else if (code < 370)
+ *       readString();
+ *   else if (code < 390)
+ *       readInt();
+ *   else if (code < 400)
+ *       readString();
+ *   else if (code < 410)
+ *       readInt();
+ *   else if (code < 420)
+ *       readString();
+ *   else if (code < 430) //TODO this is an int 32b
+ *       readInt32();
+ *   else if (code < 440)
+ *       readString();
+ *   else if (code < 450) //TODO this is an int 32b
+ *       readInt32();
+ *   else if (code < 460) //TODO this is long??
+ *       readInt();
+ *   else if (code < 470) //TODO this is a floating point double precision??
+ *       readDouble();
+ *   else if (code < 481)
+ *       readString();
+ *   else if (code > 998 && code < 1009) //skip not used at the v2012
+ *       readString();
+ *   else if (code < 1060) //TODO this is a floating point double precision??
+ *       readDouble();
+ *   else if (code < 1071)
+ *       readInt();
+ *   else if (code == 1071) //TODO this is an int 32b
+ *       readInt32();
+ *   else if (skip)
+ *       //skip safely this dxf entry ( ok for ascii dxf)
+ *       readString();
+ *   else
+ *       //break in binary files because the conduct is unpredictable
+ *       return false;
+ *
+ *   return (filestr->good());
+ *  }*/
+
+bool dxfWriter::writeUtf8String( int code, std::string text )
+{
+    std::string t = encoder.fromUtf8( text );
+
+    return writeString( code, t );
+}
+
+
+bool dxfWriter::writeUtf8Caps( int code, std::string text )
+{
+    std::string strname = text;
+    std::transform( strname.begin(), strname.end(), strname.begin(), ::toupper );
+    std::string t = encoder.fromUtf8( strname );
+
+    return writeString( code, t );
+}
+
+
+bool dxfWriterBinary::writeString( int code, std::string text )
+{
+    char bufcode[2];
+
+    bufcode[0]  = code & 0xFF;
+    bufcode[1]  = code >> 8;
+    filestr->write( bufcode, 2 );
+    *filestr << text << '\0';
+    return filestr->good();
+}
+
+
+/*bool dxfWriterBinary::readCode(int *code) {
+ *   unsigned short *int16p;
+ *   char buffer[2];
+ *   filestr->read(buffer,2);
+ *   int16p = (unsigned short *) buffer;
+ *  //exist a 32bits int (code 90) with 2 bytes???
+ *   if ((*code == 90) && (*int16p>2000)){
+ *       DBG(*code); DBG(" de 16bits\n");
+ *       filestr->seekg(-4, std::ios_base::cur);
+ *       filestr->read(buffer,2);
+ *       int16p = (unsigned short *) buffer;
+ *   }
+ * code = *int16p;
+ *   DBG(*code); DBG("\n");
+ *
+ *   return (filestr->good());
+ *  }*/
+
+/*bool dxfWriterBinary::readString() {
+ *   std::getline(*filestr, strData, '\0');
+ *   DBG(strData); DBG("\n");
+ *   return (filestr->good());
+ *  }*/
+
+/*bool dxfWriterBinary::readString(std::string *text) {
+ *   std::getline(*filestr, *text, '\0');
+ *   DBG(*text); DBG("\n");
+ *   return (filestr->good());
+ *  }*/
+
+bool dxfWriterBinary::writeInt16( int code, int data )
+{
+    char    bufcode[2];
+    char    buffer[2];
+
+    bufcode[0]  = code & 0xFF;
+    bufcode[1]  = code >> 8;
+    buffer[0]   = data & 0xFF;
+    buffer[1]   = data >> 8;
+    filestr->write( bufcode, 2 );
+    filestr->write( buffer, 2 );
+    return filestr->good();
+}
+
+
+bool dxfWriterBinary::writeInt32( int code, int data )
+{
+    char buffer[4];
+
+    buffer[0]   = code & 0xFF;
+    buffer[1]   = code >> 8;
+    filestr->write( buffer, 2 );
+
+    buffer[0]   = data & 0xFF;
+    buffer[1]   = data >> 8;
+    buffer[2]   = data >> 16;
+    buffer[3]   = data >> 24;
+    filestr->write( buffer, 4 );
+    return filestr->good();
+}
+
+
+bool dxfWriterBinary::writeInt64( int code, unsigned long long int data )
+{
+    char buffer[8];
+
+    buffer[0]   = code & 0xFF;
+    buffer[1]   = code >> 8;
+    filestr->write( buffer, 2 );
+
+    buffer[0]   = data & 0xFF;
+    buffer[1]   = data >> 8;
+    buffer[2]   = data >> 16;
+    buffer[3]   = data >> 24;
+    buffer[4]   = data >> 32;
+    buffer[5]   = data >> 40;
+    buffer[6]   = data >> 48;
+    buffer[7]   = data >> 56;
+    filestr->write( buffer, 8 );
+    return filestr->good();
+}
+
+
+bool dxfWriterBinary::writeDouble( int code, double data )
+{
+    char    bufcode[2];
+    char    buffer[8];
+
+    bufcode[0]  = code & 0xFF;
+    bufcode[1]  = code >> 8;
+    filestr->write( bufcode, 2 );
+
+    unsigned char* val;
+    val = (unsigned char*) &data;
+
+    for( int i = 0; i<8; i++ )
+    {
+        buffer[i] = val[i];
+    }
+
+    filestr->write( buffer, 8 );
+    return filestr->good();
+}
+
+
+// saved as int or add a bool member??
+bool dxfWriterBinary::writeBool( int code, bool data )
+{
+    char    buffer[1];
+    char    bufcode[2];
+
+    bufcode[0]  = code & 0xFF;
+    bufcode[1]  = code >> 8;
+    filestr->write( bufcode, 2 );
+    buffer[0] = data;
+    filestr->write( buffer, 1 );
+    return filestr->good();
+}
+
+
+bool dxfWriterAscii::writeString( int code, std::string text )
+{
+    *filestr << code << std::endl << text << std::endl;
+    /*    std::getline(*filestr, strData, '\0');
+     *  DBG(strData); DBG("\n");*/
+    return filestr->good();
+}
+
+
+/*bool dxfWriterAscii::readCode(int *code) {
+ *   std::string text;
+ *   std::getline(*filestr, text);
+ * code = atoi(text.c_str());
+ *   DBG(*code); DBG("\n");
+ *   return (filestr->good());
+ *  }*/
+/*bool dxfWriterAscii::readString(std::string *text) {
+ *   std::getline(*filestr, *text);
+ *   if (text->at(text->size()-1) == '\r')
+ *       text->erase(text->size()-1);
+ *   return (filestr->good());
+ *  }*/
+
+/*bool dxfWriterAscii::readString() {
+ *   std::getline(*filestr, strData);
+ *   if (strData.at(strData.size()-1) == '\r')
+ *       strData.erase(strData.size()-1);
+ *   DBG(strData); DBG("\n");
+ *   return (filestr->good());
+ *  }*/
+
+bool dxfWriterAscii::writeInt16( int code, int data )
+{
+// *filestr << code << "\r\n" << data << "\r\n";
+    *filestr << code << std::endl << data << std::endl;
+    return filestr->good();
+}
+
+
+bool dxfWriterAscii::writeInt32( int code, int data )
+{
+    return writeInt16( code, data );
+}
+
+
+bool dxfWriterAscii::writeInt64( int code, unsigned long long int data )
+{
+    *filestr << code << std::endl << data << std::endl;
+    return filestr->good();
+}
+
+
+bool dxfWriterAscii::writeDouble( int code, double data )
+{
+    std::streamsize prec = filestr->precision();
+
+    filestr->precision( 12 );
+    *filestr << code << std::endl << data << std::endl;
+    filestr->precision( prec );
+    return filestr->good();
+}
+
+
+// saved as int or add a bool member??
+bool dxfWriterAscii::writeBool( int code, bool data )
+{
+    *filestr << code << std::endl << data << std::endl;
+    return filestr->good();
+}