mirror of
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610 lines
13 KiB
C
610 lines
13 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 : <2024-04-18>
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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 <assert.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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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
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putf (double n)
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{
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printf ("%f\n", n);
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}
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void
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puti (long long n)
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{
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printf ("%lld\n", n);
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}
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void
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putb (bool n)
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{
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if (n)
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puts ("true");
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else
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puts ("false");
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}
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void
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print (char *s)
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{
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printf ("%s", s);
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}
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void
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println (char *s)
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{
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printf ("%s\n", s);
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}
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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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{
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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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{
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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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{
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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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{
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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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{
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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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{
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fprintf (stderr, "%s", buf);
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}
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else
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{
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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)
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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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{
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char *fnd = strstr (cur, pat);
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if (fnd)
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{
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count++;
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cur = fnd + pat_len;
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}
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else
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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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{
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char *fnd = strstr (cur, pat);
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if (fnd)
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{
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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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}
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else
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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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{
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al_times += 1;
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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,
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// al_cur);
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if (need_realloc)
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{
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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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{
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xy_error ("xy: No availble memory!");
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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) \
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_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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switch (style)
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{
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case XY_Str_Red:
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color_fmt_str = "\e[31m%s\e[0m";
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case XY_Str_Green:
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color_fmt_str = "\e[32m%s\e[0m";
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case XY_Str_Yellow:
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color_fmt_str = "\e[33m%s\e[0m";
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case XY_Str_Blue:
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color_fmt_str = "\e[34m%s\e[0m";
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case XY_Str_Magenta:
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color_fmt_str = "\e[35m%s\e[0m";
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case XY_Str_Cyan:
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color_fmt_str = "\e[36m%s\e[0m";
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case XY_Str_Bold:
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color_fmt_str = "\e[1m%s\e[0m";
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case XY_Str_Faint:
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color_fmt_str = "\e[2m%s\e[0m";
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case XY_Str_Italic:
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color_fmt_str = "\e[3m%s\e[0m";
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case XY_Str_Underline:
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color_fmt_str = "\e[4m%s\e[0m";
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case XY_Str_Blink:
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color_fmt_str = "\e[5m%s\e[0m";
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case XY_Str_Cross:
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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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{
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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)
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return true; // 空字符串直接返回
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if (len1 < len2)
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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)
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return false;
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cur1--;
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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)
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return true; // 空字符串直接返回
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if (len1 < len2)
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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)
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return false;
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cur1++;
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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)
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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)
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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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{
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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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{
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if (NULL == fgets (buf, size, stream))
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break;
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ret = buf;
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count += 1;
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if (n == count)
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break;
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if (func)
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{
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func (buf);
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}
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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 (
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xy_os_home, "\\Documents\\PowerShell\\Microsoft.PowerShell_profile.ps1");
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}
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char *
|
||
_xy_win_powershellv5_profile ()
|
||
{
|
||
return xy_2strjoin (
|
||
xy_os_home,
|
||
"\\Documents\\WindowsPowerShell\\Microsoft.PowerShell_profile.ps1");
|
||
}
|
||
|
||
/**
|
||
* @note Windows上，`path` 不要夹带变量名，因为最终 access() 不会帮你转换
|
||
*/
|
||
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
|