From 6b6a57de24d436e9b5f47fd031f5347de05e7e80 Mon Sep 17 00:00:00 2001 From: Peter Breitenlohner Date: Thu, 22 Dec 2011 12:05:55 +0000 Subject: dvisvgm 1.0.10 git-svn-id: svn://tug.org/texlive/trunk@24907 c570f23f-e606-0410-a88d-b1316a301751 --- .../texk/dvisvgm/dvisvgm-1.0.10/src/FontMap.cpp | 234 +++++++++++++++++++++ 1 file changed, 234 insertions(+) create mode 100644 Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/FontMap.cpp (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/FontMap.cpp') diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/FontMap.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/FontMap.cpp new file mode 100644 index 00000000000..803cebb9dad --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/FontMap.cpp @@ -0,0 +1,234 @@ +/************************************************************************* +** FontMap.cpp ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2011 Martin Gieseking ** +** ** +** This program is free software; you can redistribute it and/or ** +** modify it under the terms of the GNU General Public License as ** +** published by the Free Software Foundation; either version 3 of ** +** the License, or (at your option) any later version. ** +** ** +** This program is distributed in the hope that it will be useful, but ** +** WITHOUT ANY WARRANTY; without even the implied warranty of ** +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** +** GNU General Public License for more details. ** +** ** +** You should have received a copy of the GNU General Public License ** +** along with this program; if not, see . ** +*************************************************************************/ + +#include +#include +#include +#include "Directory.h" +#include "FontMap.h" + +using namespace std; + +enum FontMapFieldType {FM_ERROR=0, FM_NONE, FM_NAME, FM_PS_CODE, FM_HEADER, FM_ENC, FM_FONT}; + + +static char* str_tolower (char *str); +static inline char* get_extension (char *fname); +static FontMapFieldType read_entry (char* &first, char* &last, bool name_only=false); + + + +FontMap::FontMap (const string &fname) { + read(fname); +} + + +bool FontMap::read (const string &fname) { + ifstream ifs(fname.c_str()); + if (ifs) { + if (fname.find("dvipdfm") != string::npos) + readPdfMap(ifs); + else + readPsMap(ifs); + return true; + } + return false; +} + + +/** Read map file in dvips format. + * @param[in] is data is read from this stream */ +void FontMap::readPsMap (istream &is) { + char buf[512]; + while (is && !is.eof()) { + is.getline(buf, 512); + if (!buf[0] || strchr(" %#;*", buf[0])) // comment? + continue; + char *first=buf, *last=buf, *end=buf+is.gcount()-1; + MapEntry entry; + string name; + while (last < end && *first) { + last = first; + switch (read_entry(first, last)) { + case FM_NAME: + if (name.empty()) + name = first; + break; + case FM_ENC: + entry.encname = first; break; + case FM_FONT: + entry.fontname = first; break; + case FM_ERROR: + continue; + default: + break; + } + first = last+1; + } + // strip filename suffix + size_t len; + if ((len = entry.encname.length()) > 4 && entry.encname.substr(len-4) == ".enc") + entry.encname = entry.encname.substr(0, len-4); + if ((len = entry.fontname.length()) > 4 && entry.fontname[len-4] == '.') + entry.fontname = entry.fontname.substr(0, len-4); + + if (!name.empty() && ((name != entry.fontname && !entry.fontname.empty()) || !entry.encname.empty())) + _fontMap[name] = entry; + } +} + + +/** Read map file in dvipdfm format. + * [|default|none] [] [options] + * The optional trailing dvipdfm-parameters -r, -e and -s are ignored. + * @param[in] is data is read from this stream */ +void FontMap::readPdfMap (istream &is) { + char buf[512]; + while (is && !is.eof()) { + is.getline(buf, 512); + if (!buf[0] || strchr(" %#;*", buf[0])) // comment? + continue; + char *first=buf, *last=buf, *end=buf+is.gcount()-1; + vector fields; + for (int i=0; i < 3 && last < end && *first; i++) { + FontMapFieldType type = read_entry(first, last, true); + if (*first == '-') + break; + if (type == FM_NAME) + fields.push_back(first); + first = last+1; + } + if (fields.size() > 1 && (fields[1] == "default" || fields[1] == "none")) + fields[1].clear(); + + if (fields.size() < 2) + continue; + if ((fields.size() == 2 && fields[1].empty()) || (fields.size() == 3 && fields[1].empty() && fields[0] == fields[2])) + continue; + + _fontMap[fields[0]].fontname = fields[fields.size() == 2 ? 0 : 2]; + _fontMap[fields[0]].encname = fields[1]; + } +} + + + +static char* str_tolower (char *str) { + for (char *p=str; *p; p++) + *p = tolower(*p); + return str; +} + + +static inline char* get_extension (char *fname) { + if (char* p=strrchr(fname, '.')) + return p+1; + return 0; +} + + + + +/** Reads a single line entry. + * @param[in,out] first pointer to first char of entry + * @param[in,out] last pointer to last char of entry + * @param[in] name_only true, if special meanings of \" and < should be ignored + * @return entry type */ +static FontMapFieldType read_entry (char* &first, char* &last, bool name_only) { + while (*first && isspace(*first)) + first++; + if (!name_only) { + if (*first == '"') { + last = first+1; + while (*last && *last != '"') + last++; + if (*last == 0) // quote not closed => skip invalid line + return FM_ERROR; + return FM_PS_CODE; + } + else if (*first == '<') { + FontMapFieldType type=FM_HEADER; + first++; + if (isspace(*first)) + first++; + else if (*first == '<' || *first == '[') { + type = (*first == '<') ? FM_FONT : FM_ENC; + first++; + } + if (read_entry(first, last, true) != FM_NAME) + return FM_ERROR; + if (type == FM_HEADER) { + if (char *ext = get_extension(first)) { + ext = str_tolower(ext); + if (strcmp(ext, "enc")==0) + return FM_ENC; + if (strcmp(ext, "pfb")==0 || strcmp(ext, "pfa")==0) + return FM_FONT; + } + } + return type; + } + } + last = first; + while (*last && !isspace(*last)) + last++; + *last = 0; + return (first < last) ? FM_NAME : FM_NONE; +} + + +ostream& FontMap::write (ostream &os) const { + for (map::const_iterator i=_fontMap.begin(); i != _fontMap.end(); ++i) + os << i->first << " -> " << i->second.fontname << " [" << i->second.encname << "]\n"; + return os; +} + + +void FontMap::readdir (const string &dirname) { + Directory dir(dirname); + while (const char *fname = dir.read('f')) { + if (strlen(fname) >= 4 && strcmp(fname+strlen(fname)-4, ".map") == 0) { + string path = dirname + "/" + fname; + read(path.c_str()); + } + } +} + + +/** Returns name of font that is mapped to a given font. + * @param[in] fontname name of font whose mapped name is retrieved + * @returns name of mapped font */ +const char* FontMap::lookup (const string &fontname) const { + ConstIterator it = _fontMap.find(fontname); + if (it == _fontMap.end()) + return 0; + return it->second.fontname.c_str(); +} + + +/** Returns the name of the assigned encoding for a given font. + * @param[in] fontname name of font whose encoding is returned + * @return name of encoding, 0 if there is no encoding assigned */ +const char* FontMap::encoding (const string &fontname) const { + ConstIterator it = _fontMap.find(fontname); + if (it == _fontMap.end() || it->second.encname.empty()) + return 0; + return it->second.encname.c_str(); +} -- cgit v1.2.3