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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.5/src/Message.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.5/src/Message.cpp
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+/*************************************************************************
+** Message.cpp **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2013 Martin Gieseking <martin.gieseking@uos.de> **
+** **
+** 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 <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#include <config.h>
+#include <cstdarg>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <map>
+#include "Message.h"
+#include "Terminal.h"
+
+using namespace std;
+
+MessageStream::MessageStream () : _os(0), _nl(false), _col(1), _indent(0) {
+}
+
+
+MessageStream::MessageStream (std::ostream &os)
+ : _os(&os), _nl(true), _col(1), _indent(0)
+{
+ Terminal::init(os);
+}
+
+
+MessageStream::~MessageStream () {
+ if (_os && Message::COLORIZE)
+ Terminal::finish(*_os);
+}
+
+
+void MessageStream::putChar (const char c, ostream &os) {
+ switch (c) {
+ case '\r':
+ os << '\r';
+ _nl = true;
+ _col = 1;
+ return;
+ case '\n':
+ if (!_nl) {
+ _col = 1;
+ _nl = true;
+ os << '\n';
+ }
+ return;
+ default:
+ if (_nl) {
+ os << string(_indent, ' ');
+ _col += _indent;
+ }
+ else {
+ const int cols = Terminal::columns();
+ if (cols > 0 && _col >= cols) {
+#ifndef __WIN32__
+ // move cursor to next line explicitly (not necessary in Windows/DOS terminal)
+ os << '\n';
+#endif
+ os << string(_indent, ' ');
+ _col = _indent+1;
+ }
+ else
+ _col++;
+ }
+ _nl = false;
+ if (!_nl || c != '\n')
+ os << c;
+ }
+}
+
+
+MessageStream& MessageStream::operator << (const char *str) {
+ if (_os && str) {
+ const char *first = str;
+ while (*first) {
+ const char *last = strchr(first, '\n');
+ if (!last)
+ last = first+strlen(first)-1;
+#ifndef __WIN32__
+ // move cursor to next line explicitly (not necessary in Windows/DOS terminal)
+ const int cols = Terminal::columns();
+ int len = last-first+1;
+ if (cols > 0 && _col+len > cols && _indent+len <= cols)
+ putChar('\n', *_os);
+#endif
+ while (first <= last)
+ putChar(*first++, *_os);
+ first = last+1;
+ }
+ }
+ return *this;
+}
+
+
+MessageStream& MessageStream::operator << (const char &c) {
+ if (_os)
+ putChar(c, *_os);
+ return *this;
+}
+
+
+void MessageStream::indent (bool reset) {
+ if (reset)
+ _indent = 0;
+ _indent += 2;
+}
+
+
+void MessageStream::outdent (bool all) {
+ if (all)
+ _indent = 0;
+ else if (_indent > 0)
+ _indent -= 2;
+}
+
+
+void MessageStream::clearline () {
+ if (_os) {
+ int cols = Terminal::columns();
+ *_os << '\r' << string(cols ? cols-1 : 79, ' ') << '\r';
+ _nl = true;
+ _col = 1;
+ }
+}
+
+static MessageStream nullStream;
+static MessageStream messageStream(cerr);
+
+
+//////////////////////////////
+
+// maximal verbosity
+int Message::LEVEL = Message::MESSAGES | Message::WARNINGS | Message::ERRORS;
+bool Message::COLORIZE = false;
+bool Message::_initialized = false;
+Message::Color Message::_classColors[9];
+
+
+/** Returns the stream for usual messages. */
+MessageStream& Message::mstream (bool prefix, MessageClass mclass) {
+ init();
+ MessageStream *ms = (LEVEL & MESSAGES) ? &messageStream : &nullStream;
+ if (COLORIZE && ms && ms->os()) {
+ Terminal::fgcolor(_classColors[mclass].foreground, *ms->os());
+ Terminal::bgcolor(_classColors[mclass].background, *ms->os());
+ }
+ if (prefix)
+ *ms << "\nMESSAGE: ";
+ return *ms;
+}
+
+
+/** Returns the stream for warning messages. */
+MessageStream& Message::wstream (bool prefix) {
+ init();
+ MessageStream *ms = (LEVEL & WARNINGS) ? &messageStream : &nullStream;
+ if (COLORIZE && ms && ms->os()) {
+ Terminal::fgcolor(_classColors[MC_WARNING].foreground, *ms->os());
+ Terminal::bgcolor(_classColors[MC_WARNING].background, *ms->os());
+ }
+ if (prefix)
+ *ms << "\nWARNING: ";
+ return *ms;
+}
+
+
+/** Returns the stream for error messages. */
+MessageStream& Message::estream (bool prefix) {
+ init();
+ MessageStream *ms = (LEVEL & ERRORS) ? &messageStream : &nullStream;
+ if (COLORIZE && ms && ms->os()) {
+ Terminal::fgcolor(_classColors[MC_ERROR].foreground, *ms->os());
+ Terminal::bgcolor(_classColors[MC_ERROR].background, *ms->os());
+ }
+ if (prefix)
+ *ms << "\nERROR: ";
+ return *ms;
+}
+
+
+static bool colorchar2int (char colorchar, int *val) {
+ colorchar = tolower(colorchar);
+ if (colorchar >= '0' && colorchar <= '9')
+ *val = int(colorchar-'0');
+ else if (colorchar >= 'a' && colorchar <= 'f')
+ *val = int(colorchar-'a'+10);
+ else if (colorchar == '*')
+ *val = -1;
+ else
+ return false;
+ return true;
+}
+
+
+/** Initializes the Message class. Sets the colors for each message set.
+ * The colors can be changed via environment variable DVISVGM_COLORS. Its
+ * value must be a sequence of color entries of the form gg:BF where the
+ * two-letter ID gg specifies a message set, B the hex digit of the
+ * background, and F the hex digit of the foreground/text color.
+ * Color codes:
+ * - 1: red, 2: green, 4: blue
+ * - 0-7: dark colors
+ * - 8-F: light colors
+ * - *: default color
+ * Example: num:01 sets page number messages to red on black background */
+void Message::init () {
+ if (_initialized || !Message::COLORIZE)
+ return;
+
+ // set default message colors
+ _classColors[MC_ERROR] = Color(Terminal::RED, true);
+ _classColors[MC_WARNING] = Color(Terminal::YELLOW);
+ _classColors[MC_PAGE_NUMBER] = Color(Terminal::BLUE, true);
+ _classColors[MC_PAGE_SIZE] = Color(Terminal::MAGENTA);
+ _classColors[MC_PAGE_WRITTEN] = Color(Terminal::GREEN);
+ _classColors[MC_STATE] = Color(Terminal::CYAN);
+ _classColors[MC_TRACING] = Color(Terminal::BLUE);
+ _classColors[MC_PROGRESS] = Color(Terminal::MAGENTA);
+
+ if (const char *color_str = getenv("DVISVGM_COLORS")) {
+ map<string, MessageClass> classes;
+ classes["er"] = MC_ERROR;
+ classes["wn"] = MC_WARNING;
+ classes["pn"] = MC_PAGE_NUMBER;
+ classes["ps"] = MC_PAGE_SIZE;
+ classes["fw"] = MC_PAGE_WRITTEN;
+ classes["sm"] = MC_STATE;
+ classes["tr"] = MC_TRACING;
+ classes["pi"] = MC_PROGRESS;
+ const char *p=color_str;
+
+ // skip leading whitespace
+ while (isspace(*p))
+ ++p;
+
+ // iterate over color assignments
+ while (strlen(p) >= 5) {
+ map<string, MessageClass>::iterator it = classes.find(string(p, 2));
+ if (it != classes.end() && p[2] == '=') {
+ int bgcolor, fgcolor;
+ if (colorchar2int(p[3], &bgcolor) && colorchar2int(p[4], &fgcolor)) {
+ _classColors[it->second].background = bgcolor;
+ _classColors[it->second].foreground = fgcolor;
+ }
+ }
+ p += 5;
+
+ // skip trailing characters in a malformed entry
+ while (!isspace(*p) && *p != ':' && *p != ';')
+ ++p;
+ // skip separation characters
+ while (isspace(*p) || *p == ':' || *p == ';')
+ ++p;
+ }
+ }
+ _initialized = true;
+}
+
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