lifegpc/c-utils
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add more functions

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lifegpc
2024-01-06 10:39:12 +08:00
parent 117f6b335c
commit 49070e1e60
2 changed files with 43 additions and 4 deletions
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28
str_util.cpp
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@@ -30,22 +30,33 @@ std::string str_util::str_replace(std::string input, std::string pattern, std::s
return input;
}
std::list<std::string> str_util::str_split(std::string input, std::string pattern, size_t max) {
std::list<std::string> str_util::str_split(std::string input, std::string pattern, size_t max, bool break_quote) {
if (max == 0) return {};
std::list<std::string> li;
auto loc = input.find(pattern, 0);
auto last_loc = 0;
auto pre_loc = 0;
auto len = pattern.length();
while (loc != -1 && li.size() < max) {
li.push_back(input.substr(last_loc, loc - last_loc));
auto s = input.substr(pre_loc, loc - pre_loc);
if (break_quote || (s.front() != '"' && s.front() != '\'') || s.back() == s.front()) {
li.push_back(s);
pre_loc = loc + len;
}
last_loc = loc + len;
if (last_loc < input.length()) loc = input.find(pattern, max(0, last_loc));
else break;
}
if (last_loc <= input.length()) li.push_back(input.substr(last_loc, input.length() - last_loc));
if (last_loc <= input.length()) li.push_back(input.substr(pre_loc, input.length() - pre_loc));
return li;
}
std::vector<std::string> str_util::str_splitv(std::string input, std::string pattern, size_t max, bool break_quote) {
auto list = str_split(input, pattern, max, break_quote);
std::vector<std::string> vec(list.begin(), list.end());
return vec;
}
std::string str_util::str_hex(std::string input) {
if (input.empty()) return "";
const char* t = "0123456789abcdef";
@@ -65,3 +76,14 @@ bool str_util::str_endswith(std::string input, std::string pattern) {
auto i = input.rfind(pattern);
return i == ilen - plen;
}
std::string str_util::remove_quote(std::string input) {
if (input.length() < 2) return input;
if (input[0] == '"' && input[input.length() - 1] == '"') {
return input.substr(1, input.length() - 2);
} else if (input[0] == '\'' && input[input.length() - 1] == '\'') {
return input.substr(1, input.length() - 2);
} else {
return input;
}
}

19
str_util.h
View File

@@ -3,6 +3,7 @@
#include <list>
#include <stddef.h>
#include <string>
#include <vector>
namespace str_util {
/**
* @brief Convert string to lowercase
@@ -24,9 +25,19 @@ namespace str_util {
* @param input Input string
* @param pattern Partten
* @param max Maximum count of result.
* @param break_quote Break quote.
* @return Result.
*/
std::list<std::string> str_split(std::string input, std::string pattern, size_t max = -1);
std::list<std::string> str_split(std::string input, std::string pattern, size_t max = -1, bool break_quote = true);
/**
* @brief Split string with pattern.
* @param input Input string
* @param pattern Partten
* @param max Maximum count of result.
* @param break_quote Break quote.
* @return Result.
*/
std::vector<std::string> str_splitv(std::string input, std::string pattern, size_t max = -1, bool break_quote = true);
/**
* @brief Convert data to a lowercase hexadecimal string
* @param input Input data
@@ -40,5 +51,11 @@ namespace str_util {
* @return true if input ends with pattern
*/
bool str_endswith(std::string input, std::string pattern);
/**
* @brief Remove quote from a string
* @param input Input string
* @return Result
*/
std::string remove_quote(std::string input);
}
#endif