chsrc/include/xy.h
2024-07-09 14:29:11 +08:00

735 lines
18 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/** ------------------------------------------------------------
* SPDX-License-Identifier: MIT
* -------------------------------------------------------------
* File : xy.h
* Authors : Aoran Zeng <ccmywish@qq.com>
* | Heng Guo <2085471348@qq.com>
* Contributors : Null Nil <null@nil.com>
* |
* Created on : <2023-08-28>
* Last modified : <2024-07-09>
*
* xy: 襄阳、咸阳
* Corss-Platform C utilities for CLI applications in Ruby flavor
* ------------------------------------------------------------*/
#ifndef XY_H
#define XY_H
#define _XY_Version "v0.1.3.0-2024/07/09"
#define _XY_Maintain_URL "https://gitee.com/RubyMetric/chsrc/blob/main/include/xy.h"
#include <assert.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
// #define NDEBUG
#ifdef _WIN32
#define xy_on_windows true
#define xy_on_linux false
#define xy_on_macos false
#define xy_on_bsd false
#define xy_os_devnull "nul"
#include <windows.h>
#define xy_useutf8() SetConsoleOutputCP (65001)
#elif defined(__linux__) || defined(__linux)
#define xy_on_windows false
#define xy_on_linux true
#define xy_on_macos false
#define xy_on_bsd false
#define xy_os_devnull "/dev/null"
#define xy_useutf8()
#elif defined(__APPLE__)
#define xy_on_windows false
#define xy_on_linux false
#define xy_on_macos true
#define xy_on_bsd false
#define xy_os_devnull "/dev/null"
#define xy_useutf8()
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)
#define xy_on_windows false
#define xy_on_linux false
#define xy_on_macos false
#define xy_on_bsd true
#define xy_os_devnull "/dev/null"
#define xy_useutf8()
#endif
void putf (double n) { printf ("%f\n", n); }
void puti (long long n) { printf ("%lld\n", n); }
void putb (bool n) { if (n) puts ("true"); else puts ("false"); }
void print (const char *s) { printf ("%s", s); }
void println (const char *s) { printf ("%s\n", s);}
void say (const char *s) { printf ("%s\n", s);}
#define assert_str(a, b) assert (xy_streql ((a), (b)))
#define xy_unsupport assert(!"Unsuppoted")
#define xy_unimplement assert(!"Unimplemented temporarily")
#define xy_unreach assert(!"This code shouldn't be reached")
#define xy_arylen(x) (sizeof (x) / sizeof (x[0]))
static inline void *
xy_malloc0 (size_t size)
{
void *ptr = malloc (size);
memset (ptr, 0, size);
return ptr;
}
/******************************************************
* String
******************************************************/
/**
* 将str中所有的pat字符串替换成replace返回一个全新的字符串
*/
static char *
xy_str_gsub (const char *str, const char *pat, const char *replace)
{
size_t replace_len = strlen (replace);
size_t pat_len = strlen (pat);
int unit = replace_len - pat_len;
if (unit <= 0)
unit = 0;
size_t len = strlen (str);
const char *cur = str;
int count = 0;
while (cur < str + len)
{
char *fnd = strstr (cur, pat);
if (fnd)
{
count++;
cur = fnd + pat_len;
}
else
break;
}
// puti(count); DEBUG 匹配次数
char *ret = malloc (unit * count + len + 1);
char *retcur = ret;
cur = str;
while (cur < str + len)
{
char *fnd = strstr (cur, pat);
if (fnd)
{
ptrdiff_t diff = fnd - cur;
strncpy (retcur, cur, diff);
cur = fnd + pat_len;
retcur += diff;
strcpy (retcur, replace);
retcur += replace_len;
}
else
break;
}
strcpy (retcur, cur);
return ret;
}
static char *
xy_2strjoin (const char *str1, const char *str2)
{
size_t len = strlen (str1);
size_t size = len + strlen (str2) + 1;
char *ret = malloc (size);
strcpy (ret, str1);
strcpy (ret + len, str2);
return ret;
}
static char *
xy_strjoin (unsigned int count, ...)
{
size_t al_fixed = 128;
char *ret = calloc (1, al_fixed);
// 已分配次数
int al_times = 1;
// 当前已分配量
size_t al_cur = al_fixed;
const char *str = NULL;
// 需要分配的量
size_t al_need = 0;
// 用于 strcpy() 到 ret 的哪个位置
char *cur = ret + 0;
va_list args;
va_start (args, count);
for (int i = 0; i < count; i++)
{
// 是否需要重新分配
bool need_realloc = false;
str = va_arg (args, const char *);
al_need += strlen (str);
while (al_need > al_cur)
{
al_times += 1;
al_cur = al_times * al_fixed;
need_realloc = true;
}
// printf("al_times %d, al_need %zd, al_cur %zd\n", al_times, al_need,
// al_cur);
if (need_realloc)
{
ptrdiff_t diff = cur - ret;
ret = realloc (ret, al_cur);
cur = ret + diff;
}
if (NULL == ret)
{
fprintf (stderr, "xy.h: No availble memory!");
return NULL;
}
strcpy (cur, str);
// puts(ret);
cur += strlen (str);
}
va_end (args);
*cur = '\0';
return ret;
}
static char *
xy_strdup (const char *str)
{
size_t len = strlen (str);
char *new = xy_malloc0 (len + 1);
strcpy (new, str);
return new;
}
#define _XY_Str_Bold 1
#define _XY_Str_Faint 2
#define _XY_Str_Italic 3
#define _XY_Str_Underline 4
#define _XY_Str_Blink 5
#define _XY_Str_Cross 9
#define xy_str_to_bold(str) _xy_str_to_terminal_style (_XY_Str_Bold, str)
#define xy_str_to_faint(str) _xy_str_to_terminal_style (_XY_Str_Faint, str)
#define xy_str_to_italic(str) _xy_str_to_terminal_style (_XY_Str_Italic, str)
#define xy_str_to_underline(str) _xy_str_to_terminal_style (_XY_Str_Underline, str)
#define xy_str_to_blink(str) _xy_str_to_terminal_style (_XY_Str_Blink, str)
#define xy_str_to_cross(str) _xy_str_to_terminal_style (_XY_Str_Cross, str)
#define _XY_Str_Red 31
#define _XY_Str_Green 32
#define _XY_Str_Yellow 33
#define _XY_Str_Blue 34
#define _XY_Str_Magenta 35
#define _XY_Str_Cyan 36
#define xy_str_to_red(str) _xy_str_to_terminal_style (_XY_Str_Red, str)
#define xy_str_to_green(str) _xy_str_to_terminal_style (_XY_Str_Green, str)
#define xy_str_to_yellow(str) _xy_str_to_terminal_style (_XY_Str_Yellow, str)
#define xy_str_to_blue(str) _xy_str_to_terminal_style (_XY_Str_Blue, str)
#define xy_str_to_magenta(str) _xy_str_to_terminal_style (_XY_Str_Magenta, str)
#define xy_str_to_purple xy_str_to_magenta
#define xy_str_to_cyan(str) _xy_str_to_terminal_style (_XY_Str_Cyan, str)
static char *
_xy_str_to_terminal_style (int style, const char *str)
{
char *color_fmt_str = NULL;
switch (style)
{
case _XY_Str_Red:
color_fmt_str = "\e[31m%s\e[0m"; break;
case _XY_Str_Green:
color_fmt_str = "\e[32m%s\e[0m"; break;
case _XY_Str_Yellow:
color_fmt_str = "\e[33m%s\e[0m"; break;
case _XY_Str_Blue:
color_fmt_str = "\e[34m%s\e[0m"; break;
case _XY_Str_Magenta:
color_fmt_str = "\e[35m%s\e[0m"; break;
case _XY_Str_Cyan:
color_fmt_str = "\e[36m%s\e[0m"; break;
case _XY_Str_Bold:
color_fmt_str = "\e[1m%s\e[0m"; break;
case _XY_Str_Faint:
color_fmt_str = "\e[2m%s\e[0m"; break;
case _XY_Str_Italic:
color_fmt_str = "\e[3m%s\e[0m"; break;
case _XY_Str_Underline:
color_fmt_str = "\e[4m%s\e[0m"; break;
case _XY_Str_Blink:
color_fmt_str = "\e[5m%s\e[0m"; break;
case _XY_Str_Cross:
color_fmt_str = "\e[9m%s\e[0m"; break;
}
// -2 把中间%s减掉
size_t len = strlen (color_fmt_str) - 2;
char *buf = malloc (strlen (str) + len + 1);
sprintf (buf, color_fmt_str, str);
return buf;
}
static bool
xy_streql (const char *str1, const char *str2)
{
if (NULL==str1 || NULL==str2)
{
return false;
}
return strcmp (str1, str2) == 0 ? true : false;
}
static char *
xy_str_to_quietcmd (const char *cmd)
{
char *ret = NULL;
#ifdef _WIN32
ret = xy_2strjoin (cmd, " >nul 2>nul ");
#else
ret = xy_2strjoin (cmd, " 1>/dev/null 2>&1 ");
#endif
return ret;
}
static bool
xy_str_end_with (const char *str, const char *suffix)
{
size_t len1 = strlen (str);
size_t len2 = strlen (suffix);
if (0 == len2)
return true; // 空字符串直接返回
if (len1 < len2)
return false;
const char *cur1 = str + len1 - 1;
const char *cur2 = suffix + len2 - 1;
for (int i = 0; i < len2; i++)
{
if (*cur1 != *cur2)
return false;
cur1--;
cur2--;
}
return true;
}
static bool
xy_str_start_with (const char *str, const char *prefix)
{
if (NULL==str || NULL==prefix)
{
return false;
}
size_t len1 = strlen (str);
size_t len2 = strlen (prefix);
if (0 == len2)
return true; // 空字符串直接返回
if (len1 < len2)
return false;
const char *cur1 = str;
const char *cur2 = prefix;
for (int i = 0; i < len2; i++)
{
if (*cur1 != *cur2)
return false;
cur1++;
cur2++;
}
return true;
}
static char *
xy_str_delete_prefix (const char *str, const char *prefix)
{
char *new = xy_strdup (str);
bool yes = xy_str_start_with (str, prefix);
if (!yes)
return new;
size_t len = strlen (prefix);
char *cur = new + len;
return cur;
}
static char *
xy_str_delete_suffix (const char *str, const char *suffix)
{
char *new = xy_strdup (str);
bool yes = xy_str_end_with (str, suffix);
if (!yes)
return new;
size_t len1 = strlen (str);
size_t len2 = strlen (suffix);
char *cur = new + len1 - len2;
*cur = '\0';
return new;
}
static char *
xy_str_strip (const char *str)
{
char *new = xy_strdup (str);
while (strchr ("\n\r\v\t\f ", new[0]))
{
new += 1;
}
size_t len = strlen (new);
char *last = new + len - 1;
while (strchr ("\n\r\v\t\f ", *last))
{
*last = '\0';
last -= 1;
}
return new;
}
/******************************************************
* Logging
******************************************************/
#define _XY_Log_Plain 000000001
#define _XY_Log_Success 000000001 << 1
#define _XY_Log_Info 000000001 << 2
#define _XY_Log_Warn 000000001 << 3
#define _XY_Log_Error 000000001 << 4
#define xy_log(prompt, str) _xy_log (_XY_Log_Plain, prompt, str)
#define xy_succ(prompt,str) _xy_log (_XY_Log_Success, prompt, str)
#define xy_info(prompt,str) _xy_log (_XY_Log_Info, prompt, str)
#define xy_warn(prompt,str) _xy_log (_XY_Log_Warn, prompt, str)
#define xy_error(prompt,str) _xy_log (_XY_Log_Error, prompt, str)
static void
_xy_log (int level, const char *prompt, const char *content)
{
char *str = NULL;
bool to_stderr = false;
/**
* 'app: content'
*/
if (level & _XY_Log_Plain)
{
str = xy_strjoin (3, prompt, ": ", content);
}
else if (level & _XY_Log_Success)
{
str = xy_strjoin (3, prompt, ": ", xy_str_to_green (content));
}
else if (level & _XY_Log_Info)
{
str = xy_strjoin (3, prompt, ": ", xy_str_to_blue (content));
}
else if (level & _XY_Log_Warn)
{
str = xy_strjoin (3, prompt, ": ", xy_str_to_yellow (content));
to_stderr = true;
}
else if (level & _XY_Log_Error)
{
str = xy_strjoin (3, prompt, ": ", xy_str_to_red (content));
to_stderr = true;
}
else
{
// xy_assert ("CAN'T REACH!");
}
if (to_stderr)
{
fprintf (stderr, "%s\n", str);
}
else
{
puts (str);
}
free (str);
}
/**
* remarkably 系列输出受 pip 启发为了输出方便使用xy.h的程序应该基于此再定义自己的 app_info_remarkbaly()
*/
#define xy_log_remarkably(prompt1,prompt2,content) _xy_log_remarkably(_XY_Log_Plain, prompt1,prompt2,content)
#define xy_succ_remarkably(prompt1,prompt2,content) _xy_log_remarkably(_XY_Log_Success,prompt1,prompt2,content)
#define xy_info_remarkably(prompt1,prompt2,content) _xy_log_remarkably(_XY_Log_Info, prompt1,prompt2,content)
#define xy_warn_remarkably(prompt1,prompt2,content) _xy_log_remarkably(_XY_Log_Warn, prompt1,prompt2,content)
#define xy_error_remarkably(prompt1,prompt2,content) _xy_log_remarkably(_XY_Log_Error, prompt1,prompt2,content)
static void
_xy_log_remarkably (int level, const char *prompt1, const char *prompt2, const char *content)
{
char *str = NULL;
bool to_stderr = false;
if (level & _XY_Log_Plain)
{
str = xy_strjoin (6, "[", prompt1, " ", prompt2, "] ", content);
}
else if (level & _XY_Log_Success)
{
/* [app 成功] [app success] */
str = xy_strjoin (6,
"[", xy_str_to_green (prompt1), " ", xy_str_to_bold (xy_str_to_green (prompt2)), "] ", xy_str_to_green (content));
}
else if (level & _XY_Log_Info)
{
/* [app 信息] [app info]
[app 提示] [app notice]
*/
str = xy_strjoin (6,
"[", xy_str_to_blue (prompt1), " ", xy_str_to_bold (xy_str_to_blue (prompt2)), "] ", xy_str_to_blue (content));
}
else if (level & _XY_Log_Warn)
{
/* [app 警告] [app warn] */
str = xy_strjoin (6,
"[", xy_str_to_yellow (prompt1), " ", xy_str_to_bold (xy_str_to_yellow (prompt2)), "] ", xy_str_to_yellow (content));
to_stderr = true;
}
else if (level & _XY_Log_Error)
{
/* [app 错误] [app error] */
str = xy_strjoin (6,
"[", xy_str_to_red (prompt1), " ", xy_str_to_bold (xy_str_to_red (prompt2)), "] ", xy_str_to_red (content));
to_stderr = true;
}
else
{
// xy_assert ("CAN'T REACH!");
}
if (to_stderr)
{
fprintf (stderr, "%s\n", str);
}
else
{
puts (str);
}
free (str);
}
/******************************************************
* System
******************************************************/
/**
* 执行cmd返回某行输出结果并对已经遍历过的行执行iter_func
*
* @param cmd 要执行的命令
* @param n 指定命令执行输出的结果行中的某一行0 表示最后一行n (n>0) 表示第n行
* 该函数会返回这一行的内容
* @param iter_func 对遍历时经过的行的内容,进行函数调用
*
* @note 返回的字符串最后面一般有换行符号
*
* 由于目标行会被返回出来,所以 iter_func() 并不执行目标行,只会执行遍历过的行
*/
static char *
xy_run (const char *cmd, unsigned long n, void (*iter_func) (const char *))
{
const int size = 512;
char *buf = (char *) malloc (size);
FILE *stream = popen (cmd, "r");
if (stream == NULL)
{
fprintf (stderr, "xy: 命令执行失败\n");
return NULL;
}
char *ret = NULL;
unsigned long count = 0;
while (true)
{
if (NULL == fgets (buf, size, stream))
break;
ret = buf;
count += 1;
if (n == count)
break;
if (iter_func)
{
iter_func (buf);
}
}
pclose (stream);
return ret;
}
#define xy_os_home _xy_os_home ()
static char *
_xy_os_home ()
{
char *home = NULL;
if (xy_on_windows)
home = getenv ("USERPROFILE");
else
home = getenv ("HOME");
return home;
}
#define xy_win_powershell_profile _xy_win_powershell_profile ()
#define xy_win_powershellv5_profile _xy_win_powershellv5_profile ()
static char *
_xy_win_powershell_profile ()
{
return xy_2strjoin (
xy_os_home, "\\Documents\\PowerShell\\Microsoft.PowerShell_profile.ps1");
}
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;
}
/**
* @note xy_file_exist() 和 xy_dir_exist() 两个函数在所有平台默认都支持使用 '~'
* 但实现中都没有调用 xy_uniform_path(),以防万一,调用前可能需要用户手动调用它
*/
static bool
xy_dir_exist (const char *path)
{
const char *dir = path;
if (xy_on_windows)
{
if (xy_str_start_with (path, "~"))
{
dir = xy_2strjoin (xy_os_home, path + 1);
}
}
if (xy_on_windows)
{
// 也可以用 opendir() #include <dirent.h>
DWORD attr = GetFileAttributesA (dir);
if (attr == INVALID_FILE_ATTRIBUTES)
{
// Q: 我们应该报错吗?
return false;
}
else if (attr & FILE_ATTRIBUTE_DIRECTORY)
{
return true;
}
else
{
return false;
}
}
else
{
int status = system (xy_2strjoin ("test -d ", dir));
if (0==status)
return true;
else
return false;
}
}
/**
* 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