dotrunner.cpp File Reference

#include "dotrunner.h"
#include <algorithm>
#include <cmath>
#include <map>
#include <numeric>
#include <random>
#include <set>
#include <sstream>
#include <string>
#include <gunzip.hh>
#include "config.h"
#include "dir.h"
#include "dot.h"
#include "doxygen.h"
#include "message.h"
#include "portable.h"
#include "threadpool.h"
#include "util.h"

Include dependency graph for dotrunner.cpp:

Go to the source code of this file.

Macros
#define	MAX_LATEX_GRAPH_INCH   150
#define	MAX_LATEX_GRAPH_SIZE   (MAX_LATEX_GRAPH_INCH * 72)
#define	DBG(x)

Functions
static void	checkPngResult (const DString &imgName)
static bool	resetPDFSize (const int width, const int height, const DString &base)
static DString	getBaseNameOfOutput (const DString &output)

Macro Definition Documentation

DBG

#define DBG

(

x

)

Value:

do {} while(0)

Definition at line 74 of file dotrunner.cpp.

Referenced by reg::Ex::match(), reg::Ex::Private::matchAt(), and DotRunner::readBoundingBox().

MAX_LATEX_GRAPH_INCH

#define MAX_LATEX_GRAPH_INCH   150

Definition at line 70 of file dotrunner.cpp.

Referenced by resetPDFSize().

MAX_LATEX_GRAPH_SIZE

#define MAX_LATEX_GRAPH_SIZE   (MAX_LATEX_GRAPH_INCH * 72)

Definition at line 71 of file dotrunner.cpp.

Referenced by DotRunner::run().

Function Documentation

checkPngResult()

void checkPngResult ( const DString & imgName )

static

Definition at line 80 of file dotrunner.cpp.

{
  FILE *f = Portable::fopen(imgName,"rb");
  if (!f)
  {
    err("Could not read image '{}' generated by dot!\n",imgName);
    return;
  }
 
  char data[4];
  if (fread(data, 1, 4, f) != 4)
  {
    err("Could not read image '{}' generated by dot!\n",imgName);
    fclose(f);
    return;
  }
 
  if (!(data[1] == 'P' && data[2] == 'N' && data[3] == 'G'))
  {
    err("Image '{}' produced by dot is not a valid PNG!\n"
        "You should either select a different format "
        "(DOT_IMAGE_FORMAT in the config file) or install a more "
        "recent version of graphviz (1.7+)\n", imgName);
  }
 
  fclose(f);
}

References err, and Portable::fopen().

Referenced by DotRunner::run().

getBaseNameOfOutput()

DString getBaseNameOfOutput ( const DString & output )

static

Definition at line 270 of file dotrunner.cpp.

{
  size_t index = output.rfind('.');
  if (index==DString::npos) return output;
  return output.left(index);
}

References DString::left(), DString::npos, and DString::rfind().

Referenced by DotRunner::run().

resetPDFSize()

bool resetPDFSize ( const int width, const int height, const DString & base )

static

Definition at line 108 of file dotrunner.cpp.

{
  DString tmpName   = base+".tmp";
  DString patchFile = base+".dot";
  Dir thisDir;
  if (!thisDir.rename(patchFile.str(),tmpName.str()))
  {
    err("Failed to rename file {} to {}!\n",patchFile,tmpName);
    return false;
  }
  std::ifstream fi = Portable::openInputStream(tmpName);
  std::ofstream t  = Portable::openOutputStream(patchFile);
  if (!fi.is_open())
  {
    err("problem opening file {} for patching!\n",tmpName);
    thisDir.rename(tmpName.str(),patchFile.str());
    return false;
  }
  if (!t.is_open())
  {
    err("problem opening file {} for patching!\n",patchFile);
    thisDir.rename(tmpName.str(),patchFile.str());
    return false;
  }
  std::string line;
  while (getline(fi,line)) // foreach line
  {
    if (line.find("LATEX_PDF_SIZE") != std::string::npos)
    {
      double scale = (width > height ? width : height)/double(MAX_LATEX_GRAPH_INCH);
      t << "  size=\""<<width/scale << "," <<height/scale << "\";\n";
    }
    else
      t << line << "\n";
  }
  fi.close();
  t.close();
  // remove temporary file
  thisDir.remove(tmpName.str());
  return true;
}

References err, MAX_LATEX_GRAPH_INCH, Portable::openInputStream(), Portable::openOutputStream(), Dir::remove(), Dir::rename(), and DString::str().

Referenced by DotRunner::run().