tools/miniswig/xmlwriter.cpp

   1 #include <config.h>
   2
   3 #include <stdexcept>
   4 #include <sstream>
   5 #include "xmlwriter.hpp"
   6
   7 XmlWriter::XmlWriter(std::ostream& outstream) :
   8     out(outstream),
   9     indent(0),
  10     closetag(),
  11     lasttag(),
  12     sections()
  13 {
  14 }
  15
  16 XmlWriter::~XmlWriter()
  17 {
  18     if(sections.size() > 0) {
  19         std::cerr << "WARNING: NOT CLOSED: ";
  20         for(std::vector<std::string>::iterator i = sections.begin();
  21                 i != sections.end(); ++i)
  22             std::cerr << *i << " ";
  23         std::cerr << "\n";
  24     }
  25
  26     closeTag();
  27 }
  28
  29 void XmlWriter::openTag(const char* name)
  30 {
  31     newLine();
  32     out << "<" << name;
  33     closetag = ">";
  34     indent++;
  35
  36     sections.push_back(name);
  37 }
  38
  39 void XmlWriter::closeTag(const char* name)
  40 {
  41     if(sections.size() == 0)
  42         throw std::runtime_error("got closeSection without prior openSection.");
  43
  44     const std::string& lastsection = sections.back();
  45     if (lastsection != name) {
  46         std::ostringstream msg;
  47         msg << "mismatch in open/closeSection. Expected '"
  48             << lastsection << "' got '" << name << "'";
  49         throw std::runtime_error(msg.str());
  50     }
  51     sections.pop_back();
  52
  53     indent--;
  54     newLine();
  55     // XXX: We should check for consistency here
  56     out << "</" << name;
  57     closetag = ">" ;
  58 }
  59
  60 void XmlWriter::writeTag(const char* name)
  61 {
  62     newLine();
  63     out << "<" << name;
  64     closetag = "/>";
  65     lasttag = name;
  66 }
  67
  68 void XmlWriter::newLine()
  69 {
  70     if(closetag != "") {
  71         closeTag();
  72         for (int i=0;i<indent;i++)
  73             out << "\t";
  74     }
  75 }
  76
  77 void XmlWriter::closeTag()
  78 {
  79     if (closetag != "")
  80         out << closetag << "\n";
  81 }