mirror of
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577 lines
12 KiB
C
577 lines
12 KiB
C
/** ------------------------------------------------------------
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* File : xy.h
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* License : MIT
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* Authors : Aoran Zeng <ccmywish@qq.com>
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* Created on : <2023-08-28>
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* Last modified : <2023-09-29>
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*
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* xy:
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*
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* y = f(x)
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*
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* Corss-Platform C utilities for CLI applications in Ruby flavor
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*
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* 该文件采用 MIT 许可证，请查阅 LICENSE.txt 文件
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* ------------------------------------------------------------*/
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#ifndef XY_H
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#define XY_H
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <assert.h>
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#include <stddef.h>
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#include <unistd.h> // For access()
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// #define NDEBUG
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#ifdef _WIN32
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#define xy_on_windows true
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#define xy_on_linux false
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#define xy_on_macos false
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#define xy_on_bsd false
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#define xy_os_devnull "nul"
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#include <windows.h>
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#define xy_useutf8() SetConsoleOutputCP(65001)
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#elif defined(__linux__) || defined(__linux)
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#define xy_on_windows false
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#define xy_on_linux true
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#define xy_on_macos false
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#define xy_on_bsd false
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#define xy_os_devnull "/dev/null"
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#define xy_useutf8()
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#elif defined(__APPLE__)
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#define xy_on_windows false
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#define xy_on_linux false
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#define xy_on_macos true
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#define xy_on_bsd false
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#define xy_os_devnull "/dev/null"
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#define xy_useutf8()
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#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)
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#define xy_on_windows false
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#define xy_on_linux false
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#define xy_on_macos false
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#define xy_on_bsd true
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#define xy_os_devnull "/dev/null"
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#define xy_useutf8()
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#endif
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void putf(double n) {printf("%f\n", n);}
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void puti(long long n) {printf("%lld\n", n);}
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void putb(bool n) {if(n) puts("true"); else puts("false");}
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void print(char* s) {printf("%s", s);}
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void println(char* s) {printf("%s\n", s);}
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#define xy_arylen(x) (sizeof(x) / sizeof(x[0]))
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#define assert_str(a,b) assert(xy_streql((a), (b)))
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static inline void*
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xy_malloc0 (size_t size)
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{
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void* ptr = malloc(size);
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memset(ptr, 0, size);
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return ptr;
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}
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#define XY_Log_Info 00001
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#define XY_Log_Success 00001<<1
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#define XY_Log_Warn 00001<<2
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#define XY_Log_Error 00001<<3
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#define xy_success(str) _xy_log (XY_Log_Success, str)
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#define xy_info(str) _xy_log (XY_Log_Info, str)
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#define xy_warn(str) _xy_log (XY_Log_Warn, str)
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#define xy_error(str) _xy_log (XY_Log_Error, str)
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static void
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_xy_log (int level, const char* str)
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{
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char* color_fmt_str = NULL;
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bool to_stderr = false;
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if (level & XY_Log_Info) {
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color_fmt_str = "\033[34m%s\033[0m"; // 蓝色
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}
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else if (level & XY_Log_Success) {
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color_fmt_str = "\033[32m%s\033[0m"; // 绿色
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}
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else if (level & XY_Log_Warn) {
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color_fmt_str = "\033[33m%s\033[0m\n"; // 黄色
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to_stderr = true;
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}
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else if (level & XY_Log_Error) {
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color_fmt_str = "\033[31m%s\033[0m\n"; // 红色
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to_stderr = true;
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}
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else {
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//xy_assert ("CAN'T REACH!");
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}
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// -2 把中间%s减掉
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size_t len = strlen(color_fmt_str) -2;
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char* buf = malloc(strlen(str) + len + 1);
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sprintf (buf, color_fmt_str, str);
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if (to_stderr) {
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fprintf(stderr, "%s",buf);
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} else {
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puts(buf);
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}
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free(buf);
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}
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/**
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* 将str中所有的pat字符串替换成replace，返回一个全新的字符串
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*/
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static char*
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xy_str_gsub (const char* str, const char* pat, const char* replace)
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{
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size_t replace_len = strlen(replace);
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size_t pat_len = strlen(pat);
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int unit = replace_len - pat_len;
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if (unit<=0) unit = 0;
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size_t len = strlen(str);
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const char* cur = str;
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int count = 0;
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while (cur<str+len) {
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char* fnd = strstr(cur, pat);
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if (fnd) {
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count++;
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cur = fnd + pat_len;
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} else break;
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}
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// puti(count); DEBUG 匹配次数
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char* ret = malloc (unit * count + len + 1);
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char* retcur = ret;
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cur = str;
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while(cur<str+len) {
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char* fnd = strstr(cur, pat);
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if (fnd) {
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ptrdiff_t diff = fnd - cur;
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strncpy(retcur, cur, diff);
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cur = fnd + pat_len;
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retcur += diff;
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strcpy(retcur, replace);
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retcur += replace_len;
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} else break;
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}
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strcpy(retcur, cur);
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return ret;
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}
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static char*
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xy_2strjoin (const char* str1, const char* str2)
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{
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size_t len = strlen(str1);
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size_t size = len + strlen(str2) + 1;
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char* ret = malloc(size);
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strcpy(ret, str1);
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strcpy(ret+len, str2);
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return ret;
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}
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static char*
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xy_strjoin (unsigned int count, ...)
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{
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size_t al_fixed = 128;
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char* ret = calloc(1, al_fixed);
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// 已分配次数
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int al_times = 1;
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// 当前已分配量
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size_t al_cur = al_fixed;
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const char* str = NULL;
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// 需要分配的量
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size_t al_need = 0;
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// 用于 strcpy() 到 ret 的哪个位置
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char* cur = ret + 0;
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va_list args;
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va_start(args, count);
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for(int i=0; i<count; i++)
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{
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// 是否需要重新分配
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bool need_realloc = false;
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str = va_arg(args, const char*);
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al_need += strlen(str);
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while (al_need > al_cur) {
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al_times += 1; al_cur = al_times * al_fixed;
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need_realloc = true;
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}
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// printf("al_times %d, al_need %zd, al_cur %zd\n", al_times, al_need, al_cur);
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if (need_realloc) {
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ptrdiff_t diff = cur - ret;
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ret = realloc(ret, al_cur);
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cur = ret + diff;
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}
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if (NULL==ret) {
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xy_error ("xy: No availble memory!"); return NULL;
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}
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strcpy(cur, str);
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// puts(ret);
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cur += strlen(str);
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}
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va_end(args);
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*cur = '\0';
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return ret;
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}
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static char*
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xy_strdup(const char* str)
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{
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size_t len = strlen(str);
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char* new = xy_malloc0(len+1);
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strcpy(new, str);
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return new;
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}
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#define XY_Str_Bold 1
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#define XY_Str_Faint 2
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#define XY_Str_Italic 3
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#define XY_Str_Underline 4
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#define XY_Str_Blink 5
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#define XY_Str_Cross 9
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#define xy_str_to_bold(str) _xy_str_to_terminal_style(XY_Str_Bold, str)
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#define xy_str_to_faint(str) _xy_str_to_terminal_style(XY_Str_Faint, str)
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#define xy_str_to_italic(str) _xy_str_to_terminal_style(XY_Str_Italic, str)
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#define xy_str_to_underline(str) _xy_str_to_terminal_style(XY_Str_Underline,str)
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#define xy_str_to_blink(str) _xy_str_to_terminal_style(XY_Str_Blink, str)
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#define xy_str_to_cross(str) _xy_str_to_terminal_style(XY_Str_Cross, str)
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#define XY_Str_Red 31
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#define XY_Str_Green 32
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#define XY_Str_Yellow 33
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#define XY_Str_Blue 34
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#define XY_Str_Magenta 35
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#define XY_Str_Cyan 36
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#define xy_str_to_red(str) _xy_str_to_terminal_style(XY_Str_Red, str)
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#define xy_str_to_green(str) _xy_str_to_terminal_style(XY_Str_Green, str)
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#define xy_str_to_yellow(str) _xy_str_to_terminal_style(XY_Str_Yellow, str)
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#define xy_str_to_blue(str) _xy_str_to_terminal_style(XY_Str_Blue, str)
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#define xy_str_to_magenta(str) _xy_str_to_terminal_style(XY_Str_Magenta,str)
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#define xy_str_to_purple xy_str_to_magenta
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#define xy_str_to_cyan(str) _xy_str_to_terminal_style(XY_Str_Cyan, str)
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static char*
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_xy_str_to_terminal_style(int style, const char* str)
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{
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char* color_fmt_str = NULL;
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if (XY_Str_Red==style)
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{
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color_fmt_str = "\e[31m%s\e[0m"; // 红色
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}
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else if (XY_Str_Green==style)
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{
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color_fmt_str = "\e[32m%s\e[0m"; // 绿色
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}
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else if (XY_Str_Yellow==style)
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{
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color_fmt_str = "\e[33m%s\e[0m"; // 黄色
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}
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else if (XY_Str_Blue==style)
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{
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color_fmt_str = "\e[34m%s\e[0m"; // 蓝色
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}
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else if (XY_Str_Magenta==style)
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{
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color_fmt_str = "\e[35m%s\e[0m"; // 蓝色
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}
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else if (XY_Str_Cyan==style)
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{
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color_fmt_str = "\e[36m%s\e[0m"; // 蓝色
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}
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else if (XY_Str_Bold==style)
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{
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color_fmt_str = "\e[1m%s\e[0m";
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}
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else if (XY_Str_Faint==style)
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{
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color_fmt_str = "\e[2m%s\e[0m";
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}
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else if (XY_Str_Italic==style)
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{
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color_fmt_str = "\e[3m%s\e[0m";
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}
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else if (XY_Str_Underline==style)
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{
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color_fmt_str = "\e[4m%s\e[0m";
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}
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else if (XY_Str_Blink==style)
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{
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color_fmt_str = "\e[5m%s\e[0m";
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}
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else if (XY_Str_Cross==style)
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{
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color_fmt_str = "\e[9m%s\e[0m";
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}
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// -2 把中间%s减掉
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size_t len = strlen(color_fmt_str) -2;
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char* buf = malloc(strlen(str) + len + 1);
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sprintf (buf, color_fmt_str, str);
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return buf;
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}
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static bool
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xy_streql(const char* str1, const char* str2) {
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return strcmp(str1, str2) == 0 ? true : false;
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}
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static char*
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xy_str_to_quietcmd (const char* cmd)
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{
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char* ret = NULL;
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#ifdef _WIN32
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ret = xy_2strjoin (cmd, " >nul 2>nul ");
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#else
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ret = xy_2strjoin (cmd, " 1>/dev/null 2>&1 ");
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#endif
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return ret;
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}
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static bool
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xy_str_end_with (const char* str, const char* suffix)
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{
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size_t len1 = strlen(str);
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size_t len2 = strlen(suffix);
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if (0==len2) return true; // 空字符串直接返回
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if (len1 < len2) return false;
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const char* cur1 = str + len1 - 1;
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const char* cur2 = suffix + len2 - 1;
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for (int i=0; i<len2; i++)
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{
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if (*cur1 != *cur2) return false;
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cur1--; cur2--;
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}
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return true;
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}
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static bool
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xy_str_start_with (const char* str, const char* prefix)
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{
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size_t len1 = strlen(str);
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size_t len2 = strlen(prefix);
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if (0==len2) return true; // 空字符串直接返回
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if (len1 < len2) return false;
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const char* cur1 = str;
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const char* cur2 = prefix;
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for (int i=0; i<len2; i++)
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{
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if (*cur1 != *cur2) return false;
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cur1++; cur2++;
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}
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return true;
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}
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static char*
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xy_str_delete_prefix (const char* str, const char* prefix)
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{
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char* new = xy_strdup(str);
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bool yes = xy_str_start_with(str, prefix);
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if (!yes) return new;
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size_t len = strlen(prefix);
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char* cur = new + len;
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return cur;
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}
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static char*
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xy_str_delete_suffix (const char* str, const char* suffix)
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{
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char* new = xy_strdup(str);
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bool yes = xy_str_end_with(str, suffix);
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if (!yes) return new;
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size_t len1 = strlen(str);
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size_t len2 = strlen(suffix);
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char* cur = new + len1 - len2;
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*cur = '\0';
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return new;
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}
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static char*
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xy_str_strip (const char* str)
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{
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char* new = xy_strdup(str);
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while (strchr("\n\r\v\t\f ", new[0]))
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{
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new += 1;
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}
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size_t len = strlen(new);
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char* last = new + len - 1;
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while (strchr("\n\r\v\t\f ", *last))
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{
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*last = '\0';
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last -= 1;
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}
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return new;
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}
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/**
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* 执行cmd，返回其最后某行输出结果
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*
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* @param cmd 要执行的命令
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* @param n 命令打印的结果行，0 表示最后一行，n (n>0) 表示第n行
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* @param func 对读取的行执行函数
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*
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* @note 返回的字符串最后面可能有换行符号
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*/
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static char*
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xy_getcmd (const char* cmd, unsigned long n, void (*func)(const char*))
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{
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const int size = 512;
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char* buf = (char*) malloc(size);
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FILE* stream = popen(cmd, "r");
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if (stream == NULL) {
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fprintf(stderr, "xy: 命令执行失败\n");
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return NULL;
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}
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char* ret = NULL;
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unsigned long count = 0;
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while (true) {
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if (NULL==fgets(buf, size, stream)) break;
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ret = buf;
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count += 1;
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if (n==count) break;
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if (func) { func(buf); }
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}
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pclose (stream);
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return ret;
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}
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#define xy_os_home _xy_os_home()
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static char*
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_xy_os_home ()
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{
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char* home = NULL;
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if (xy_on_windows)
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home = getenv("USERPROFILE");
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else
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home = getenv("HOME");
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return home;
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}
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#define xy_win_powershell_profile _xy_win_powershell_profile()
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#define xy_win_powershellv5_profile _xy_win_powershellv5_profile()
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static char*
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_xy_win_powershell_profile ()
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{
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return xy_2strjoin(xy_os_home, "\\Documents\\PowerShell\\Microsoft.PowerShell_profile.ps1");
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}
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char*
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_xy_win_powershellv5_profile ()
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{
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return xy_2strjoin(xy_os_home, "\\Documents\\WindowsPowerShell\\Microsoft.PowerShell_profile.ps1");
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}
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/**
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* @note Windows上，`path` 不要夹带变量名，因为最终 access() 不会帮你转换
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*/
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static bool
|
||
xy_file_exist (const char* path)
|
||
{
|
||
const char* newpath = path;
|
||
if (xy_on_windows)
|
||
{
|
||
if (xy_str_start_with(path, "~")) {
|
||
newpath = xy_2strjoin(xy_os_home, path+1);
|
||
}
|
||
}
|
||
return access(newpath, 0) ? false : true;
|
||
}
|
||
|
||
|
||
/**
|
||
* 该函数即使在非Windows下也可调用，作用是删除路径左右两边多出来的空白符
|
||
*/
|
||
static char*
|
||
xy_uniform_path (const char* path)
|
||
{
|
||
char* new = xy_str_strip(path); // 防止开发者多写了空白符
|
||
|
||
// 这个函数仅在Windows上才进行替换
|
||
if (xy_on_windows) {
|
||
if (xy_str_start_with(new, "~/")){
|
||
// 或 %USERPROFILE%
|
||
new = xy_strjoin(3, xy_os_home, "\\", xy_str_delete_prefix(new, "~/"));
|
||
}
|
||
new = xy_str_gsub(new, "/", "\\");
|
||
}
|
||
|
||
return new;
|
||
}
|
||
|
||
|
||
static char*
|
||
xy_parent_dir (const char* path)
|
||
{
|
||
char* dir = xy_uniform_path (path);
|
||
char* last = NULL;
|
||
if (xy_on_windows) {
|
||
last = strrchr(dir, '\\');
|
||
*last = '\0';
|
||
} else {
|
||
last = strrchr(dir, '/');
|
||
*last = '\0';
|
||
}
|
||
return dir;
|
||
}
|
||
|
||
#endif
|