diff options
Diffstat (limited to 'indra/llcommon/llstreamtools.cpp')
| -rw-r--r-- | indra/llcommon/llstreamtools.cpp | 66 |
1 files changed, 41 insertions, 25 deletions
diff --git a/indra/llcommon/llstreamtools.cpp b/indra/llcommon/llstreamtools.cpp index d7a6f47932..bc32b6fd9e 100644 --- a/indra/llcommon/llstreamtools.cpp +++ b/indra/llcommon/llstreamtools.cpp @@ -118,7 +118,7 @@ bool skip_to_next_word(std::istream& input_stream) bool skip_to_end_of_next_keyword(const char* keyword, std::istream& input_stream) { - int key_length = strlen(keyword); /*Flawfinder: ignore*/ + auto key_length = strlen(keyword); /*Flawfinder: ignore*/ if (0 == key_length) { return false; @@ -315,7 +315,7 @@ bool unget_line(const std::string& line, std::istream& input_stream) // returns true if removed last char bool remove_last_char(char c, std::string& line) { - int line_size = line.size(); + auto line_size = line.size(); if (line_size > 1 && c == line[line_size - 1]) { @@ -330,9 +330,8 @@ bool remove_last_char(char c, std::string& line) // "\\n" ---> '\n' (backslash n becomes carriage return) void unescape_string(std::string& line) { - int line_size = line.size(); - int index = 0; - while (index < line_size - 1) + auto line_size = line.size(); + for (size_t index = 0; line_size >= 1 && index < line_size - 1; ++index) { if ('\\' == line[index]) { @@ -347,7 +346,6 @@ void unescape_string(std::string& line) line_size--; } } - index++; } } @@ -356,9 +354,8 @@ void unescape_string(std::string& line) // '\n' ---> "\\n" (carriage return becomes backslash n) void escape_string(std::string& line) { - int line_size = line.size(); - int index = 0; - while (index < line_size) + auto line_size = line.size(); + for (size_t index = 0; index < line_size; ++index) { if ('\\' == line[index]) { @@ -372,31 +369,27 @@ void escape_string(std::string& line) line_size++; index++; } - index++; } } // removes '\n' characters void replace_newlines_with_whitespace(std::string& line) { - int line_size = line.size(); - int index = 0; - while (index < line_size) + auto line_size = line.size(); + for (size_t index = 0; index < line_size; ++index) { if ('\n' == line[index]) { line.replace(index, 1, " "); } - index++; } } // erases any double-quote characters in 'line' void remove_double_quotes(std::string& line) { - int index = 0; - int line_size = line.size(); - while (index < line_size) + auto line_size = line.size(); + for (size_t index = 0; index < line_size; ) { if ('"' == line[index]) { @@ -424,22 +417,21 @@ void get_keyword_and_value(std::string& keyword, const std::string& line) { // skip initial whitespace - int line_size = line.size(); - int line_index = 0; + auto line_size = line.size(); + size_t line_index = 0; char c; - while (line_index < line_size) + for ( ; line_index < line_size; ++line_index) { c = line[line_index]; if (!LLStringOps::isSpace(c)) { break; } - line_index++; } // get the keyword keyword.clear(); - while (line_index < line_size) + for ( ; line_index < line_size; ++line_index) { c = line[line_index]; if (LLStringOps::isSpace(c) || '\r' == c || '\n' == c) @@ -447,7 +439,6 @@ void get_keyword_and_value(std::string& keyword, break; } keyword += c; - line_index++; } // get the value @@ -465,7 +456,7 @@ void get_keyword_and_value(std::string& keyword, line_index++; } - while (line_index < line_size) + for ( ; line_index < line_size; ++line_index) { c = line[line_index]; if ('\r' == c || '\n' == c) @@ -473,7 +464,6 @@ void get_keyword_and_value(std::string& keyword, break; } value += c; - line_index++; } } } @@ -523,3 +513,29 @@ std::istream& operator>>(std::istream& str, const char *tocheck) } return str; } + +int cat_streambuf::underflow() +{ + if (gptr() == egptr()) + { + // here because our buffer is empty + std::streamsize size = 0; + // Until we've run out of mInputs, try reading the first of them + // into mBuffer. If that fetches some characters, break the loop. + while (! mInputs.empty() + && ! (size = mInputs.front()->sgetn(mBuffer.data(), mBuffer.size()))) + { + // We tried to read mInputs.front() but got zero characters. + // Discard the first streambuf and try the next one. + mInputs.pop_front(); + } + // Either we ran out of mInputs or we succeeded in reading some + // characters, that is, size != 0. Tell base class what we have. + setg(mBuffer.data(), mBuffer.data(), mBuffer.data() + size); + } + // If we fell out of the above loop with mBuffer still empty, return + // eof(), otherwise return the next character. + return (gptr() == egptr()) + ? std::char_traits<char>::eof() + : std::char_traits<char>::to_int_type(*gptr()); +} |