diff options
Diffstat (limited to 'ext/dsent/libutil/String.cc')
| -rw-r--r-- | ext/dsent/libutil/String.cc | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/ext/dsent/libutil/String.cc b/ext/dsent/libutil/String.cc new file mode 100644 index 000000000..146e9f824 --- /dev/null +++ b/ext/dsent/libutil/String.cc @@ -0,0 +1,347 @@ +#include "String.h" + +#include <cstdarg> +#include <cstdio> +#include <iostream> +#include <ios> + +namespace LibUtil +{ + const unsigned int String::msBufferSize = 4096; + + String String::format(const String& format_, ...) + { + char buffer[msBufferSize]; + + va_list args; + va_start(args, format_); + vsnprintf(buffer, msBufferSize, format_.c_str(), args); + va_end(args); + + return (String)(buffer); + } + + String String::format(const String& format_, va_list args_) + { + char buffer[msBufferSize]; + + vsnprintf(buffer, msBufferSize, format_.c_str(), args_); + + return (String)(buffer); + } + + String::String() + {} + + String::String(const string& str_) + : string(str_) + {} + + String::String(const char* str_, size_t n_) + : string(str_, n_) + {} + + String::String(const char* str_) + : string(str_) + {} + + String::String(size_t n_, char c_) + : string(n_, c_) + {} + + String::String(int value_) + : string(toString<int>(value_)) + {} + + String::String(unsigned int value_) + : string(toString<unsigned int>(value_)) + {} + + String::String(long value_) + : string(toString<long>(value_)) + {} + + String::String(unsigned long value_) + : string(toString<unsigned long>(value_)) + {} + + String::String(float value_) + : string(toString<float>(value_)) + {} + + String::String(double value_) + : string(toString<double>(value_)) + {} + + String::String(bool value_) + : string(toString<bool>(value_)) + {} + + String::~String() + {} + + String& String::trim() + { + // Remove leading and trailing whitespace + static const char whitespace[] = " \n\t\v\r\f"; + erase(0, find_first_not_of(whitespace)); + erase(find_last_not_of(whitespace) + 1U); + return (*this); + } + + String& String::substitute(const String& str1_, const String& str2_) + { + size_t str1Size = str1_.size(); + size_t str2Size = str2_.size(); + + size_t pos; + pos = find(str1_); + while(pos != string::npos) + { + replace(pos, str1Size, str2_); + pos += str2Size; + pos = find(str1_, pos); + } + return (*this); + } + + vector<String> String::split(const char* delimiters_) const + { + vector<String> result; + + if(size() == 0) + { + return result; + } + + size_t currPos, nextPos; + currPos = 0; + nextPos = find_first_of(delimiters_); + while(1) + { + if(nextPos == string::npos) + { + if(currPos != size()) + { + result.push_back(substr(currPos)); + } + break; + } + + if(nextPos != currPos) + { + result.push_back(substr(currPos, nextPos - currPos)); + } + currPos = nextPos + 1; + nextPos = find_first_of(delimiters_, currPos); + } + + return result; + } + + vector<String> String::split(const String* delimiters_, unsigned int num_delimiters_) const + { + vector<String> result; + + if(size() == 0) + { + return result; + } + + if(num_delimiters_ == 1) + { + size_t currPos, nextPos; + currPos = 0; + nextPos = find(delimiters_[0]); + while(1) + { + if(nextPos == String::npos) + { + result.push_back(substr(currPos)); + break; + } + + if(nextPos != currPos) + { + result.push_back(substr(currPos, nextPos - currPos)); + } + currPos = nextPos + delimiters_[0].size(); + nextPos = find(delimiters_[0], currPos); + } + } + else + { + // Currently the length of the delimiters are not checked + unsigned int delimiterLength = 0; + size_t currPos, nextPos; + currPos = 0; + nextPos = size(); + for(unsigned int i = 0; i < num_delimiters_; ++i) + { + size_t tempPos = find(delimiters_[i], currPos); + if((tempPos != String::npos) && (tempPos < nextPos)) + { + nextPos = tempPos; + delimiterLength = delimiters_[i].size(); + } + } + while(1) + { + if((nextPos == String::npos) || (nextPos == size())) + { + result.push_back(substr(currPos)); + break; + } + + if(nextPos != currPos) + { + result.push_back(substr(currPos, nextPos - currPos)); + } + currPos = nextPos + delimiterLength; + nextPos = size(); + delimiterLength = 0; + for(unsigned int i = 0; i < num_delimiters_; ++i) + { + size_t tempPos = find(delimiters_[i], currPos); + if((tempPos != String::npos) && (tempPos < nextPos)) + { + nextPos = tempPos; + delimiterLength = delimiters_[i].size(); + } + } + } + } + return result; + } + + vector<String> String::splitByString(const String& delimiter_) const + { + return split(&delimiter_, 1); + } + + bool String::contain(const String& str_) const + { + return (find(str_) != String::npos); + } + + const char* String::toCString() const + { + return this->c_str(); + } + + int String::toInt() const + { + return fromString<int>(*this); + } + + unsigned int String::toUInt() const + { + return fromString<unsigned int>(*this); + } + + long String::toLong() const + { + return fromString<long>(*this); + } + + unsigned long String::toULong() const + { + return fromString<unsigned long>(*this); + } + + float String::toFloat() const + { + return fromString<float>(*this); + } + + double String::toDouble() const + { + return fromString<double>(*this); + } + + bool String::toBool() const + { + return fromString<bool>(*this); + } + + String::operator const char*() const + { + return this->c_str(); + } + + String::operator int() const + { + return fromString<int>(*this); + } + + String::operator unsigned int() const + { + return fromString<unsigned int>(*this); + } + + String::operator long() const + { + return fromString<long>(*this); + } + + String::operator unsigned long() const + { + return fromString<unsigned long>(*this); + } + + String::operator float() const + { + return fromString<float>(*this); + } + + String::operator double() const + { + return fromString<double>(*this); + } + + String::operator bool() const + { + return fromString<bool>(*this); + } + + String& String::operator=(char c_) + { + this->assign(1, c_); + return *this; + } + + std::istream& safeGetline(std::istream& is_, String& str_) + { + str_.clear(); + + // The characters in the stream are read one-by-one using a std::streambuf. + // That is faster than reading them one-by-one using the std::istream. + // Code that uses streambuf this way must be guarded by a sentry object. + // The sentry object performs various tasks, + // such as thread synchronization and updating the stream state. + + std::istream::sentry se(is_, true); + std::streambuf* sb = is_.rdbuf(); + + while(1) + { + int c = sb->sbumpc(); + switch(c) + { + case '\r': + c = sb->sgetc(); + if(c == '\n') + sb->sbumpc(); + return is_; + case '\n': + return is_; + case EOF: + is_.setstate(std::ios_base::failbit|std::ios_base::eofbit); + return is_; + default: + str_ += String(1, (char)c); + } + } + } +} // namespace LibUtil + |