chsrc/xy.h
2023-09-05 15:15:55 +08:00

470 lines
10 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.

/* --------------------------------------------------------------
* File : xy.h
* Authors : Aoran Zeng <ccmywish@qq.com>
* Created on : <2023-08-28>
* Last modified : <2023-09-05>
*
* xy:
*
* y = f(x)
*
* Corss-Platform C utilities in Ruby flavor
* -------------------------------------------------------------*/
#ifndef XY_H
#define XY_H
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
// #define NDEBUG
#ifdef _WIN32
static bool xy_on_windows = true;
static bool xy_on_linux = false;
static bool xy_on_macos = false;
static bool xy_on_bsds = false;
static char* xy_os_devnull = "nul";
#include <windows.h>
#define xy_useutf8() SetConsoleOutputCP(65001)
#elif defined(__linux__) || defined(__linux)
static bool xy_on_windows = false;
static bool xy_on_linux = true;
static bool xy_on_macos = false;
static bool xy_on_bsds = false;
static char* xy_os_devnull = "/dev/null"
#define xy_useutf8()
#elif defined(TARGET_OS_MAC) ||defined(__MACOSX__)
static bool xy_on_windows = false;
static bool xy_on_linux = false;
static bool xy_on_macos = true;
static bool xy_on_bsds = false;
// set xy_os_devnull
#define xy_useutf8()
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)
static bool xy_on_windows = false;
static bool xy_on_linux = false;
static bool xy_on_macos = false;
static bool xy_on_bsds = true;
// set xy_os_devnull
#define xy_useutf8()
#endif
#define putf(n) printf("%f\n", n)
#define puti(n) printf("%d\n", n)
#define putb(n) if(n) puts("true"); else puts("false");
#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;
}
#define XY_INFO 00001
#define XY_SUCCESS 00001<<1
#define XY_WARN 00001<<2
#define XY_ERROR 00001<<3
static void
xy_log (int level, const char* str)
{
char* color_fmt_str = NULL;
bool to_stderr = false;
if (level & XY_INFO) {
color_fmt_str = "\033[34m%s\033[0m"; // 蓝色
}
else if (level & XY_SUCCESS) {
color_fmt_str = "\033[32m%s\033[0m"; // 绿色
}
else if (level & XY_WARN) {
color_fmt_str = "\033[33m%s\033[0m\n"; // 黄色
to_stderr = true;
}
else if (level & XY_ERROR) {
color_fmt_str = "\033[31m%s\033[0m\n"; // 红色
to_stderr = true;
}
else {
//xy_assert ("CAN'T REACH!");
}
// -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);
if (to_stderr) {
fprintf(stderr, buf);
} else {
puts(buf);
}
free(buf);
}
#define xy_info(str) xy_log (XY_INFO, str)
#define xy_error(str) xy_log (XY_ERROR, str)
/**
* 将str中所有的src字符替换成dest,并返回一个全新的字符串
* 现在已经废弃不用
*/
static char*
xy_strch (const char* str, char src,const char* dest)
{
size_t str_len = strlen(str);
size_t dest_len = strlen(dest);
size_t size = str_len*dest_len;
char* ret = (char*)malloc(size);
int i=0;
int j=0;
while(i<str_len) {
if(str[i]==src) {
int k=0;
while(k<dest_len){
ret[j++] = dest[k++];
}
i++;
}
else {
ret[j++] = str[i++];
}
}
ret[j] = 0;
return ret;
}
static void
xy_success (const char* str1)
{
char color_fmt_str[] = "\033[32m%s\033[0m";
// -2 把中间%s减掉-1 把末尾nul减掉
size_t len = sizeof(color_fmt_str) -2 -1;
char* buf = malloc(strlen(str1) + len + 1);
sprintf (buf, color_fmt_str, str1);
puts(buf);
free(buf);
}
static void
xy_warn (const char* str1)
{
// 注意我们这里相比于xy_suceess()多了一个换行符
char color_fmt_str[] = "\033[33m%s\033[0m\n";
// -2 把中间%s减掉-1 把末尾nul减掉
size_t len = sizeof(color_fmt_str) -2 -1;
char* buf = malloc(strlen(str1) + len + 1);
sprintf (buf, color_fmt_str, str1);
fprintf(stderr, buf);
free(buf);
}
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) {
xy_error ("xy: No availble memory!"); return NULL;
}
strcpy(cur, str);
// puts(ret);
cur += strlen(str);
}
va_end(args);
*cur = '\0';
return ret;
}
char*
xy_strdup(const char* str)
{
size_t len = strlen(str);
char* new = xy_malloc0(len+1);
strcpy(new, str);
}
#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)
char*
xy_str_to_terminal_style_(int style, const char* str)
{
char* color_fmt_str = NULL;
if (XY_STR_RED==style)
{
color_fmt_str = "\e[31m%s\e[0m"; // 红色
}
else if (XY_STR_GREEN==style)
{
color_fmt_str = "\e[32m%s\e[0m"; // 绿色
}
else if (XY_STR_YELLOW==style)
{
color_fmt_str = "\e[33m%s\e[0m"; // 黄色
}
else if (XY_STR_BLUE==style)
{
color_fmt_str = "\e[34m%s\e[0m"; // 蓝色
}
else if (XY_STR_MAGENTA==style)
{
color_fmt_str = "\e[35m%s\e[0m"; // 蓝色
}
else if (XY_STR_CYAN==style)
{
color_fmt_str = "\e[36m%s\e[0m"; // 蓝色
}
else if (XY_STR_BOLD==style)
{
color_fmt_str = "\e[1m%s\e[0m";
}
else if (XY_STR_FAINT==style)
{
color_fmt_str = "\e[2m%s\e[0m";
}
else if (XY_STR_ITALIC==style)
{
color_fmt_str = "\e[3m%s\e[0m";
}
else if (XY_STR_UNDERLINE==style)
{
color_fmt_str = "\e[4m%s\e[0m";
}
else if (XY_STR_BLINK==style)
{
color_fmt_str = "\e[5m%s\e[0m";
}
else if (XY_STR_CROSS==style)
{
color_fmt_str = "\e[9m%s\e[0m";
}
// -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;
}
bool
xy_streql(const char* str1, const char* str2) {
return strcmp(str1, str2) == 0 ? true : false;
}
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;
}
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;
}
bool
xy_str_start_with (const char* str, const char* prefix)
{
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;
}
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;
}
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;
}
char*
xy_str_strip (const char* str)
{
const char* lf = "\n";
const char* crlf = "\r\n";
char* new = xy_strdup(str);
while (xy_str_start_with(new, lf)) {
new = xy_str_delete_prefix(new, lf);
}
while (xy_str_start_with(new, crlf)) {
new = xy_str_delete_prefix(new, crlf);
}
while (xy_str_end_with(new, lf)) {
new = xy_str_delete_suffix(new, lf);
}
while (xy_str_end_with(new, crlf)) {
new = xy_str_delete_suffix(new, crlf);
}
return new;
}
#endif