lyx_mirror/src/sgml.cpp
André Pönitz f1cba8ff64 more latin1..utf8 schanges. all of src/* should be utf8 now
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27425 a592a061-630c-0410-9148-cb99ea01b6c8
2008-11-14 15:58:50 +00:00

244 lines
5.0 KiB
C++

/**
* \file sgml.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author José Matos
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "sgml.h"
#include "Buffer.h"
#include "BufferParams.h"
#include "Counters.h"
#include "Layout.h"
#include "OutputParams.h"
#include "Paragraph.h"
#include "Text.h"
#include "TextClass.h"
#include "support/convert.h"
#include "support/docstream.h"
#include "support/lstrings.h"
#include "support/textutils.h"
#include <map>
using namespace std;
using namespace lyx::support;
namespace lyx {
docstring sgml::escapeChar(char_type c)
{
docstring str;
switch (c) {
case ' ':
str += " ";
break;
case '&':
str += "&amp;";
break;
case '<':
str += "&lt;";
break;
case '>':
str += "&gt;";
break;
#if 0
case '$':
str += "&dollar;";
break;
case '#':
str += "&num;";
break;
case '%':
str += "&percnt;";
break;
case '[':
str += "&lsqb;";
break;
case ']':
str += "&rsqb;";
break;
case '{':
str += "&lcub;";
break;
case '}':
str += "&rcub;";
break;
case '~':
str += "&tilde;";
break;
case '"':
str += "&quot;";
break;
case '\\':
str += "&bsol;";
break;
#endif
default:
str += c;
break;
}
return str;
}
docstring sgml::escapeString(docstring const & raw)
{
docstring bin;
bin.reserve(raw.size() * 2); // crude approximation is sufficient
for (size_t i = 0; i != raw.size(); ++i)
bin += sgml::escapeChar(raw[i]);
return bin;
}
docstring const sgml::uniqueID(docstring const label)
{
static unsigned int seed = 1000;
return label + convert<docstring>(++seed);
}
docstring sgml::cleanID(Buffer const & buf, OutputParams const & runparams,
docstring const & orig)
{
// The standard DocBook SGML declaration only allows letters,
// digits, '-' and '.' in a name.
// Since users might change that declaration one has to cater
// for additional allowed characters.
// This routine replaces illegal characters by '-' or '.'
// and adds a number for uniqueness.
// If you know what you are doing, you can set allowed==""
// to disable this mangling.
DocumentClass const & tclass = buf.params().documentClass();
docstring const allowed = from_ascii(
runparams.flavor == OutputParams::XML ? ".-_:" : tclass.options());
if (allowed.empty())
return orig;
docstring::const_iterator it = orig.begin();
docstring::const_iterator end = orig.end();
docstring content;
typedef map<docstring, docstring> MangledMap;
static MangledMap mangledNames;
static int mangleID = 1;
MangledMap::const_iterator const known = mangledNames.find(orig);
if (known != mangledNames.end())
return known->second;
// make sure it starts with a letter
if (!isAlphaASCII(*it) && allowed.find(*it) >= allowed.size())
content += "x";
bool mangle = false;
for (; it != end; ++it) {
char_type c = *it;
if (isAlphaASCII(c) || isDigitASCII(c) || c == '-' || c == '.'
|| allowed.find(c) < allowed.size())
content += c;
else if (c == '_' || c == ' ') {
mangle = true;
content += "-";
}
else if (c == ':' || c == ',' || c == ';' || c == '!') {
mangle = true;
content += ".";
}
else {
mangle = true;
}
}
if (mangle)
content += "-" + convert<docstring>(mangleID++);
else if (isDigitASCII(content[content.size() - 1]))
content += ".";
mangledNames[orig] = content;
return content;
}
void sgml::openTag(odocstream & os, string const & name, string const & attribute)
{
// FIXME UNICODE
// This should be fixed in layout files later.
string param = subst(attribute, "<", "\"");
param = subst(param, ">", "\"");
if (!name.empty() && name != "!-- --") {
os << '<' << from_ascii(name);
if (!param.empty())
os << ' ' << from_ascii(param);
os << '>';
}
}
void sgml::closeTag(odocstream & os, string const & name)
{
if (!name.empty() && name != "!-- --")
os << "</" << from_ascii(name) << '>';
}
void sgml::openTag(Buffer const & buf, odocstream & os,
OutputParams const & runparams, Paragraph const & par)
{
Layout const & style = par.layout();
string const & name = style.latexname();
string param = style.latexparam();
Counters & counters = buf.params().documentClass().counters();
string id = par.getID(buf, runparams);
string attribute;
if (!id.empty()) {
if (param.find('#') != string::npos) {
string::size_type pos = param.find("id=<");
string::size_type end = param.find(">");
if( pos != string::npos && end != string::npos)
param.erase(pos, end-pos + 1);
}
attribute = id + ' ' + param;
} else {
if (param.find('#') != string::npos) {
// FIXME UNICODE
if (!style.counter.empty())
counters.step(style.counter);
else
counters.step(from_ascii(name));
int i = counters.value(from_ascii(name));
attribute = subst(param, "#", convert<string>(i));
} else {
attribute = param;
}
}
openTag(os, name, attribute);
}
void sgml::closeTag(odocstream & os, Paragraph const & par)
{
Layout const & style = par.layout();
closeTag(os, style.latexname());
}
} // namespace lyx