llstreamtools.h
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- /**
- * @file llstreamtools.h
- * @brief some helper functions for parsing legacy simstate and asset files.
- *
- * $LicenseInfo:firstyear=2005&license=viewergpl$
- *
- * Copyright (c) 2005-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_STREAM_TOOLS_H
- #define LL_STREAM_TOOLS_H
- #include <iostream>
- #include <string>
- // unless specifed otherwise these all return input_stream.good()
- // skips spaces and tabs
- LL_COMMON_API bool skip_whitespace(std::istream& input_stream);
- // skips whitespace and newlines
- LL_COMMON_API bool skip_emptyspace(std::istream& input_stream);
- // skips emptyspace and lines that start with a #
- LL_COMMON_API bool skip_comments_and_emptyspace(std::istream& input_stream);
- // skips to character after next newline
- LL_COMMON_API bool skip_line(std::istream& input_stream);
- // skips to beginning of next non-emptyspace
- LL_COMMON_API bool skip_to_next_word(std::istream& input_stream);
- // skips to character after the end of next keyword
- // a 'keyword' is defined as the first word on a line
- LL_COMMON_API bool skip_to_end_of_next_keyword(const char* keyword, std::istream& input_stream);
- // skip_to_start_of_next_keyword() is disabled -- might tickle corruption bug
- // in windows iostream
- // skips to beginning of next keyword
- // a 'keyword' is defined as the first word on a line
- //bool skip_to_start_of_next_keyword(const char* keyword, std::istream& input_stream);
- // characters are pulled out of input_stream and appended to output_string
- // returns result of input_stream.good() after characters are pulled
- LL_COMMON_API bool get_word(std::string& output_string, std::istream& input_stream);
- LL_COMMON_API bool get_line(std::string& output_string, std::istream& input_stream);
- // characters are pulled out of input_stream (up to a max of 'n')
- // and appended to output_string
- // returns result of input_stream.good() after characters are pulled
- LL_COMMON_API bool get_word(std::string& output_string, std::istream& input_stream, int n);
- LL_COMMON_API bool get_line(std::string& output_string, std::istream& input_stream, int n);
- // unget_line() is disabled -- might tickle corruption bug in windows iostream
- //// backs up the input_stream by line_size + 1 characters
- //bool unget_line(const std::string& line, std::istream& input_stream);
- // TODO -- move these string manipulator functions to a different file
- // removes the last char in 'line' if it matches 'c'
- // returns true if removed last char
- LL_COMMON_API bool remove_last_char(char c, std::string& line);
- // replaces escaped characters with the correct characters from left to right
- // "\" ---> '\'
- // "n" ---> 'n'
- LL_COMMON_API void unescape_string(std::string& line);
- // replaces unescaped characters with expanded equivalents from left to right
- // '\' ---> "\"
- // 'n' ---> "n"
- LL_COMMON_API void escape_string(std::string& line);
- // replaces each 'n' character with ' '
- LL_COMMON_API void replace_newlines_with_whitespace(std::string& line);
- // erases any double-quote characters in line
- LL_COMMON_API void remove_double_quotes(std::string& line);
- // the 'keyword' is defined as the first word on a line
- // the 'value' is everything after the keyword on the same line
- // starting at the first non-whitespace and ending right before the newline
- LL_COMMON_API void get_keyword_and_value(std::string& keyword,
- std::string& value,
- const std::string& line);
- // continue to read from the stream until you really can't
- // read anymore or until we hit the count. Some istream
- // implimentations have a max that they will read.
- // Returns the number of bytes read.
- LL_COMMON_API std::streamsize fullread(
- std::istream& istr,
- char* buf,
- std::streamsize requested);
- LL_COMMON_API std::istream& operator>>(std::istream& str, const char *tocheck);
- #endif