diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/Message.hpp |
Initial commit
Diffstat (limited to 'dviware/dvisvgm/src/Message.hpp')
-rw-r--r-- | dviware/dvisvgm/src/Message.hpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/dviware/dvisvgm/src/Message.hpp b/dviware/dvisvgm/src/Message.hpp new file mode 100644 index 0000000000..a7e6034021 --- /dev/null +++ b/dviware/dvisvgm/src/Message.hpp @@ -0,0 +1,112 @@ +/************************************************************************* +** Message.hpp ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2019 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/>. ** +*************************************************************************/ + +#ifndef MESSAGE_HPP +#define MESSAGE_HPP + +#include <algorithm> +#include <cstdint> +#include <string> +#include <ostream> +#include <sstream> +#include "Terminal.hpp" + + +class Message; + +class MessageStream { + friend class Message; + + public: + MessageStream () =default; + explicit MessageStream (std::ostream &os) noexcept; + ~MessageStream (); + + template <typename T> + MessageStream& operator << (const T &obj) { + std::ostringstream oss; + oss << obj; + (*this) << oss.str(); + return *this; + } + + MessageStream& operator << (const char *str); + MessageStream& operator << (const char &c); + MessageStream& operator << (const std::string &str) {return (*this) << str.c_str();} + + void indent (int level) {_indent = std::max(0, level*2);} + void indent (bool reset=false); + void outdent (bool all=false); + void clearline (); + + protected: + void putChar (char c, std::ostream &os); + std::ostream* os () {return _os;} + + private: + std::ostream *_os=nullptr; + bool _nl=false; ///< true if previous character was a newline + int _col=1; ///< current terminal column + int _indent=0; ///< indentation width (number of columns/characters) +}; + + +class Message { + struct Color { + Color () =default; + explicit Color (int8_t fgcolor) noexcept : foreground(fgcolor) {} + Color (int8_t fgcolor, bool light) noexcept: foreground(fgcolor + (light ? 8 : 0)) {} + Color (int8_t fgcolor, int8_t bgcolor) noexcept : foreground(fgcolor), background(bgcolor) {} + int8_t foreground = -1; + int8_t background = -1; + }; + + public: + enum MessageClass { + MC_ERROR, + MC_WARNING, + MC_MESSAGE, + MC_PAGE_NUMBER, + MC_PAGE_SIZE, + MC_PAGE_WRITTEN, + MC_STATE, + MC_TRACING, + MC_PROGRESS, + }; + + public: + static MessageStream& mstream (bool prefix=false, MessageClass mclass=MC_MESSAGE); + static MessageStream& estream (bool prefix=false); + static MessageStream& wstream (bool prefix=false); + + enum {ERRORS=1, WARNINGS=2, MESSAGES=4}; + static int LEVEL; + static bool COLORIZE; + + protected: + static void init (); + + + private: + static Color _classColors[]; + static bool _initialized; +}; + +#endif |