93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
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#include "internal/strings.h"
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#include <algorithm>
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#include <cctype>
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#include <exception>
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#include <locale>
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MYNTEYE_BEGIN_NAMESPACE
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namespace strings {
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namespace {
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// The most elegant way to iterate the words of a string
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// https://stackoverflow.com/questions/236129/the-most-elegant-way-to-iterate-the-words-of-a-string
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template <class ContainerT>
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void tokenize(
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const std::string &str, ContainerT &tokens, // NOLINT
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const std::string &delimiters = " ", bool trimEmpty = false) {
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std::string::size_type pos, lastPos = 0, length = str.length();
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using value_type = typename ContainerT::value_type;
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using size_type = typename ContainerT::size_type;
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while (lastPos < length + 1) {
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pos = str.find_first_of(delimiters, lastPos);
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if (pos == std::string::npos) {
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pos = length;
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}
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if (pos != lastPos || !trimEmpty) {
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tokens.push_back(
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value_type(str.data() + lastPos, (size_type)pos - lastPos));
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}
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lastPos = pos + 1;
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}
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}
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} // namespace
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int hex2int(const std::string &text) {
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try {
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return std::stoi(text, nullptr, 16);
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} catch (const std::exception &e) {
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throw new strings_error("strings conversion error");
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}
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}
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bool starts_with(const std::string &text, const std::string &prefix) {
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return text.compare(0, prefix.length(), prefix) == 0;
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}
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std::vector<std::string> split(
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const std::string &text, const std::string &delimiters) {
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std::vector<std::string> tokens;
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tokenize(text, tokens, delimiters);
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return tokens;
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}
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// What's the best way to trim std::string?
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// https://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring
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void ltrim(std::string &s) { // NOLINT
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s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int ch) {
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return !std::isspace(ch);
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}));
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}
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void rtrim(std::string &s) { // NOLINT
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s.erase(
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std::find_if(
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s.rbegin(), s.rend(), [](int ch) { return !std::isspace(ch); })
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.base(),
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s.end());
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}
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void trim(std::string &s) { // NOLINT
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ltrim(s);
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rtrim(s);
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}
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std::string trim_copy(const std::string &text) {
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std::string s = text;
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trim(s);
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return s;
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}
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} // namespace strings
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MYNTEYE_END_NAMESPACE
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