dir -> directory walker similar to dirent
    dirwatch -> lets you watch a directory for changes in another thread
    vec -> generic vector
This commit is contained in:
snarmph 2021-10-25 01:32:31 +01:00
parent aa08240ec9
commit 59b55c7f6c
26 changed files with 4037 additions and 2726 deletions

885
str.c
View file

@ -1,267 +1,620 @@
#include "str.h"
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
str_t strInit(void) {
return (str_t) {
.buf = NULL,
.len = 0
};
}
str_t strInitStr(const char *cstr) {
return strInitBuf(cstr, strlen(cstr));
}
str_t strInitView(strview_t view) {
return strInitBuf(view.buf, view.len);
}
str_t strInitBuf(const char *buf, size_t len) {
str_t str;
str.len = len;
str.buf = malloc(len + 1);
memcpy(str.buf, buf, len);
str.buf[len] = '\0';
return str;
}
void strFree(str_t *ctx) {
free(ctx->buf);
ctx->buf = NULL;
ctx->len = 0;
}
str_t strMove(str_t *ctx) {
str_t str = strInitBuf(ctx->buf, ctx->len);
ctx->buf = NULL;
ctx->len = 0;
return str;
}
str_t strDup(str_t ctx) {
return strInitBuf(ctx.buf, ctx.len);
}
strview_t strGetView(str_t *ctx) {
return (strview_t) {
.buf = ctx->buf,
.len = ctx->len
};
}
char *strBegin(str_t *ctx) {
return ctx->buf;
}
char *strEnd(str_t *ctx) {
return ctx->buf ? ctx->buf + ctx->len : NULL;
}
char strBack(str_t *ctx) {
return ctx->buf ? ctx->buf[ctx->len - 1] : '\0';
}
bool strIsEmpty(str_t *ctx) {
return ctx->len == 0;
}
void strAppend(str_t *ctx, const char *str) {
strAppendBuf(ctx, str, strlen(str));
}
void strAppendStr(str_t *ctx, str_t str) {
strAppendBuf(ctx, str.buf, str.len);
}
void strAppendView(str_t *ctx, strview_t view) {
strAppendBuf(ctx, view.buf, view.len);
}
void strAppendBuf(str_t *ctx, const char *buf, size_t len) {
size_t oldlen = ctx->len;
ctx->len += len;
ctx->buf = realloc(ctx->buf, ctx->len + 1);
memcpy(ctx->buf + oldlen, buf, len);
ctx->buf[ctx->len] = '\0';
}
void strAppendChars(str_t *ctx, char c, size_t count) {
size_t oldlen = ctx->len;
ctx->len += count;
ctx->buf = realloc(ctx->buf, ctx->len + 1);
memset(ctx->buf + oldlen, c, count);
ctx->buf[ctx->len] = '\0';
}
void strPush(str_t *ctx, char c) {
strAppendChars(ctx, c, 1);
}
char strPop(str_t *ctx) {
char c = strBack(ctx);
ctx->buf = realloc(ctx->buf, ctx->len);
ctx->len -= 1;
ctx->buf[ctx->len] = '\0';
return c;
}
void strSwap(str_t *ctx, str_t *other) {
char *buf = other->buf;
size_t len = other->len;
other->buf = ctx->buf;
other->len = ctx->len;
ctx->buf = buf;
ctx->len = len;
}
#include "tracelog.h"
str_t strSubstr(str_t *ctx, size_t pos, size_t len) {
if(strIsEmpty(ctx)) return strInit();
if(len == SIZE_MAX || (pos + len) > ctx->len) len = ctx->len - pos;
return strInitBuf(ctx->buf + pos, len);
}
strview_t strSubview(str_t *ctx, size_t pos, size_t len) {
if(strIsEmpty(ctx)) return strvInit(NULL);
if(len == SIZE_MAX || (pos + len) > ctx->len) len = ctx->len - pos;
return (strview_t) {
.buf = ctx->buf + pos,
.len = len
};
}
void strLower(str_t *ctx) {
for(size_t i = 0; i < ctx->len; ++i) {
ctx->buf[i] = tolower(ctx->buf[i]);
}
}
str_t strToLower(str_t ctx) {
str_t str = strDup(ctx);
strLower(&str);
return str;
}
#ifdef STR_TESTING
#include <stdio.h>
#include "tracelog.h"
void strTest(void) {
str_t s;
debug("== testing init =================");
{
s = strInit();
printf("%s %zu\n", s.buf, s.len);
strFree(&s);
s = strInitStr("hello world");
printf("\"%s\" %zu\n", s.buf, s.len);
strFree(&s);
uint8_t buf[] = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
s = strInitBuf((char *)buf, sizeof(buf));
printf("\"%s\" %zu\n", s.buf, s.len);
strFree(&s);
}
debug("== testing view =================");
{
s = strInitStr("hello world");
strview_t view = strGetView(&s);
printf("\"%.*s\" %zu\n", (int)view.len, view.buf, view.len);
strFree(&s);
}
debug("== testing begin/end ============");
{
s = strInitStr("hello world");
char *beg = strBegin(&s);
char *end = strEnd(&s);
printf("[ ");
for(; beg < end; ++beg) {
printf("%c ", *beg);
}
printf("]\n");
strFree(&s);
}
debug("== testing back/isempty =========");
{
s = strInitStr("hello world");
printf("[ ");
while(!strIsEmpty(&s)) {
printf("%c ", strBack(&s));
strPop(&s);
}
printf("]\n");
strFree(&s);
}
debug("== testing append ===============");
{
s = strInitStr("hello ");
printf("\"%s\" %zu\n", s.buf, s.len);
strAppend(&s, "world");
printf("\"%s\" %zu\n", s.buf, s.len);
strAppendView(&s, strvInit(", how is it "));
printf("\"%s\" %zu\n", s.buf, s.len);
uint8_t buf[] = { 'g', 'o', 'i', 'n', 'g' };
strAppendBuf(&s, (char*)buf, sizeof(buf));
printf("\"%s\" %zu\n", s.buf, s.len);
strAppendChars(&s, '?', 2);
printf("\"%s\" %zu\n", s.buf, s.len);
strFree(&s);
}
debug("== testing push/pop =============");
{
s = strInit();
str_t s2 = strInitStr("hello world");
printf("%-14s %-14s\n", "s", "s2");
printf("----------------------------\n");
while(!strIsEmpty(&s2)) {
printf("%-14s %-14s\n", s.buf, s2.buf);
strPush(&s, strPop(&s2));
}
printf("%-14s %-14s\n", s.buf, s2.buf);
strFree(&s);
strFree(&s2);
}
debug("== testing swap =================");
{
s = strInitStr("hello");
str_t s2 = strInitStr("world");
printf("%-8s %-8s\n", "s", "s2");
printf("----------------\n");
printf("%-8s %-8s\n", s.buf, s2.buf);
strSwap(&s, &s2);
printf("%-8s %-8s\n", s.buf, s2.buf);
strFree(&s);
strFree(&s2);
}
debug("== testing substr ===============");
{
s = strInitStr("hello world");
printf("s: %s\n", s.buf);
printf("-- string\n");
str_t s2 = strSubstr(&s, 0, 5);
printf("0..5: \"%s\"\n", s2.buf);
strFree(&s2);
s2 = strSubstr(&s, 5, SIZE_MAX);
printf("6..SIZE_MAX: \"%s\"\n", s2.buf);
strFree(&s2);
printf("-- view\n");
strview_t v = strSubview(&s, 0, 5);
printf("0..5: \"%.*s\"\n", (int)v.len, v.buf);
v = strSubview(&s, 5, SIZE_MAX);
printf("6..SIZE_MAX: \"%.*s\"\n", (int)v.len, v.buf);
strFree(&s);
}
strFree(&s);
}
#include "str.h"
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <assert.h>
#include <stdio.h>
#include "tracelog.h"
#ifdef _WIN32
#define VC_EXTRALEAN
#include <windows.h>
#else
#include <iconv.h>
#endif
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
// == STR_T ========================================================
str_t strInit(void) {
return (str_t) {
.buf = NULL,
.len = 0
};
}
str_t strInitStr(const char *cstr) {
return strInitBuf(cstr, strlen(cstr));
}
str_t strInitView(strview_t view) {
return strInitBuf(view.buf, view.len);
}
str_t strInitBuf(const char *buf, size_t len) {
str_t str;
str.len = len;
str.buf = malloc(len + 1);
memcpy(str.buf, buf, len);
str.buf[len] = '\0';
return str;
}
void strFree(str_t *ctx) {
free(ctx->buf);
ctx->buf = NULL;
ctx->len = 0;
}
str_t strFromWCHAR(const wchar_t *src, size_t len) {
if(len == 0) len = wcslen(src);
#ifdef _WIN32
// TODO CP_ACP should be CP_UTF8 but if i put CP_UTF8 it doesn't work??
int result_len = WideCharToMultiByte(
CP_ACP, 0,
src, (int)len,
NULL, 0,
NULL, NULL
);
char *buf = malloc(result_len + 1);
if(buf) {
WideCharToMultiByte(
CP_ACP, 0,
src, (int)len,
buf, result_len,
NULL, NULL
);
buf[result_len] = '\0';
}
return (str_t) {
.buf = buf,
.len = result_len
};
#else
size_t actual_len = len * sizeof(wchar_t);
size_t dest_len = len * 6;
char *dest = malloc(dest_len);
iconv_t cd = iconv_open("UTF-8", "WCHAR_T");
assert(cd);
size_t dest_left = dest_len;
char *dest_temp = dest;
char *src_temp = (char*)src;
size_t lost = iconv(cd, &src_temp, &actual_len, &dest_temp, &dest_left);
assert(lost != ((size_t)-1));
dest_len -= dest_left;
dest = realloc(dest, dest_len + 1);
dest[dest_len] = '\0';
iconv_close(cd);
return (str_t){
.buf = dest,
.len = dest_len
};
#endif
}
wchar_t *strToWCHAR(str_t ctx) {
#ifdef _WIN32
UINT codepage = CP_ACP;
int len = MultiByteToWideChar(
codepage, 0,
ctx.buf, (int)ctx.len,
NULL, 0
);
wchar_t *str = malloc(sizeof(wchar_t) * (len + 1));
if(!str) return NULL;
len = MultiByteToWideChar(
codepage, 0,
ctx.buf, (int)ctx.len,
str, len
);
str[len] = '\0';
return str;
#else
size_t dest_len = ctx.len * sizeof(wchar_t);
char *dest = malloc(dest_len);
iconv_t cd = iconv_open("WCHAR_T", "UTF-8");
assert(cd);
size_t dest_left = dest_len;
char *dest_temp = dest;
char *src_temp = ctx.buf;
size_t lost = iconv(cd, &src_temp, &ctx.len, &dest_temp, &dest_left);
assert(lost != ((size_t)-1));
dest_len -= dest_left;
dest = realloc(dest, dest_len + 1);
dest[dest_len] = '\0';
iconv_close(cd);
return (wchar_t *)dest;
#endif
}
str_t strMove(str_t *ctx) {
str_t str = strInitBuf(ctx->buf, ctx->len);
ctx->buf = NULL;
ctx->len = 0;
return str;
}
str_t strDup(str_t ctx) {
return strInitBuf(ctx.buf, ctx.len);
}
strview_t strGetView(str_t *ctx) {
return (strview_t) {
.buf = ctx->buf,
.len = ctx->len
};
}
char *strBegin(str_t *ctx) {
return ctx->buf;
}
char *strEnd(str_t *ctx) {
return ctx->buf ? ctx->buf + ctx->len : NULL;
}
char strBack(str_t *ctx) {
return ctx->buf ? ctx->buf[ctx->len - 1] : '\0';
}
bool strIsEmpty(str_t *ctx) {
return ctx->len == 0;
}
void strAppend(str_t *ctx, const char *str) {
strAppendBuf(ctx, str, strlen(str));
}
void strAppendStr(str_t *ctx, str_t str) {
strAppendBuf(ctx, str.buf, str.len);
}
void strAppendView(str_t *ctx, strview_t view) {
strAppendBuf(ctx, view.buf, view.len);
}
void strAppendBuf(str_t *ctx, const char *buf, size_t len) {
size_t oldlen = ctx->len;
ctx->len += len;
ctx->buf = realloc(ctx->buf, ctx->len + 1);
memcpy(ctx->buf + oldlen, buf, len);
ctx->buf[ctx->len] = '\0';
}
void strAppendChars(str_t *ctx, char c, size_t count) {
size_t oldlen = ctx->len;
ctx->len += count;
ctx->buf = realloc(ctx->buf, ctx->len + 1);
memset(ctx->buf + oldlen, c, count);
ctx->buf[ctx->len] = '\0';
}
void strPush(str_t *ctx, char c) {
strAppendChars(ctx, c, 1);
}
char strPop(str_t *ctx) {
char c = strBack(ctx);
ctx->buf = realloc(ctx->buf, ctx->len);
ctx->len -= 1;
ctx->buf[ctx->len] = '\0';
return c;
}
void strSwap(str_t *ctx, str_t *other) {
char *buf = other->buf;
size_t len = other->len;
other->buf = ctx->buf;
other->len = ctx->len;
ctx->buf = buf;
ctx->len = len;
}
void strReplace(str_t *ctx, char from, char to) {
for(size_t i = 0; i < ctx->len; ++i) {
if(ctx->buf[i] == from) {
ctx->buf[i] = to;
}
}
}
str_t strSubstr(str_t *ctx, size_t pos, size_t len) {
if(strIsEmpty(ctx)) return strInit();
if(len == SIZE_MAX || (pos + len) > ctx->len) len = ctx->len - pos;
return strInitBuf(ctx->buf + pos, len);
}
strview_t strSubview(str_t *ctx, size_t pos, size_t len) {
if(strIsEmpty(ctx)) return strvInit(NULL);
if(len == SIZE_MAX || (pos + len) > ctx->len) len = ctx->len - pos;
return (strview_t) {
.buf = ctx->buf + pos,
.len = len
};
}
void strLower(str_t *ctx) {
for(size_t i = 0; i < ctx->len; ++i) {
ctx->buf[i] = (char)tolower(ctx->buf[i]);
}
}
str_t strToLower(str_t ctx) {
str_t str = strDup(ctx);
strLower(&str);
return str;
}
// == STRVIEW_T ====================================================
strview_t strvInit(const char *cstr) {
return strvInitLen(cstr, cstr ? strlen(cstr) : 0);
}
strview_t strvInitStr(str_t str) {
return strvInitLen(str.buf, str.len);
}
strview_t strvInitLen(const char *buf, size_t size) {
return (strview_t) {
.buf = buf,
.len = size
};
}
char strvFront(strview_t ctx) {
return ctx.buf[0];
}
char strvBack(strview_t ctx) {
return ctx.buf[ctx.len - 1];
}
const char *strvBegin(strview_t *ctx) {
return ctx->buf;
}
const char *strvEnd(strview_t *ctx) {
return ctx->buf + ctx->len;
}
bool strvIsEmpty(strview_t ctx) {
return ctx.len == 0;
}
void strvRemovePrefix(strview_t *ctx, size_t n) {
ctx->buf += n;
ctx->len -= n;
}
void strvRemoveSuffix(strview_t *ctx, size_t n) {
ctx->len -= n;
}
str_t strvCopy(strview_t ctx) {
return strInitView(ctx);
}
str_t strvCopyN(strview_t ctx, size_t count, size_t from) {
size_t sz = ctx.len + 1 - from;
count = min(count, sz);
return strInitBuf(ctx.buf + from, count);
}
size_t strvCopyBuf(strview_t ctx, char *buf, size_t len, size_t from) {
size_t sz = ctx.len + 1 - from;
len = min(len, sz);
memcpy(buf, ctx.buf + from, len);
buf[len - 1] = '\0';
return len - 1;
}
strview_t strvSubstr(strview_t ctx, size_t from, size_t len) {
if(from > ctx.len) from = ctx.len - len;
size_t sz = ctx.len - from;
return strvInitLen(ctx.buf + from, min(len, sz));
}
int strvCompare(strview_t ctx, strview_t other) {
if(ctx.len < other.len) return -1;
if(ctx.len > other.len) return 1;
return memcmp(ctx.buf, other.buf, ctx.len);
}
int strvICompare(strview_t ctx, strview_t other) {
if(ctx.len < other.len) return -1;
if(ctx.len > other.len) return 1;
for(size_t i = 0; i < ctx.len; ++i) {
int a = tolower(ctx.buf[i]);
int b = tolower(other.buf[i]);
if(a != b) return a - b;
}
return 0;
}
bool strvStartsWith(strview_t ctx, char c) {
return strvFront(ctx) == c;
}
bool strvStartsWithView(strview_t ctx, strview_t view) {
if(ctx.len < view.len) return false;
return memcmp(ctx.buf, view.buf, view.len) == 0;
}
bool strvEndsWith(strview_t ctx, char c) {
return strvBack(ctx) == c;
}
bool strvEndsWithView(strview_t ctx, strview_t view) {
if(ctx.len < view.len) return false;
return memcmp(ctx.buf + ctx.len - view.len, view.buf, view.len) == 0;
}
bool strvContains(strview_t ctx, char c) {
for(size_t i = 0; i < ctx.len; ++i) {
if(ctx.buf[i] == c) return true;
}
return false;
}
bool strvContainsView(strview_t ctx, strview_t view) {
if(ctx.len < view.len) return false;
size_t end = ctx.len - view.len;
for(size_t i = 0; i < end; ++i) {
if(memcmp(ctx.buf + i, view.buf, view.len) == 0) return true;
}
return false;
}
size_t strvFind(strview_t ctx, char c, size_t from) {
for(size_t i = from; i < ctx.len; ++i) {
if(ctx.buf[i] == c) return i;
}
return SIZE_MAX;
}
size_t strvFindView(strview_t ctx, strview_t view, size_t from) {
if(ctx.len < view.len) return SIZE_MAX;
size_t end = ctx.len - view.len;
for(size_t i = from; i < end; ++i) {
if(memcmp(ctx.buf + i, view.buf, view.len) == 0) return i;
}
return SIZE_MAX;
}
size_t strvRFind(strview_t ctx, char c, size_t from) {
if(from >= ctx.len) {
from = ctx.len - 1;
}
const char *buf = ctx.buf + from;
for(; buf >= ctx.buf; --buf) {
if(*buf == c) return (buf - ctx.buf);
}
return SIZE_MAX;
}
size_t strvRFindView(strview_t ctx, strview_t view, size_t from) {
from = min(from, ctx.len);
if(view.len > ctx.len) {
from -= view.len;
}
const char *buf = ctx.buf + from;
for(; buf >= ctx.buf; --buf) {
if(memcmp(buf, view.buf, view.len) == 0) return (buf - ctx.buf);
}
return SIZE_MAX;
}
size_t strvFindFirstOf(strview_t ctx, strview_t view, size_t from) {
if(ctx.len < view.len) return SIZE_MAX;
for(size_t i = from; i < ctx.len; ++i) {
for(size_t j = 0; j < view.len; ++j) {
if(ctx.buf[i] == view.buf[j]) return i;
}
}
return SIZE_MAX;
}
size_t strvFindLastOf(strview_t ctx, strview_t view, size_t from) {
if(from >= ctx.len) {
from = ctx.len - 1;
}
const char *buf = ctx.buf + from;
for(; buf >= ctx.buf; --buf) {
for(size_t j = 0; j < view.len; ++j) {
if(*buf == view.buf[j]) return (buf - ctx.buf);
}
}
return SIZE_MAX;
}
size_t strvFindFirstNot(strview_t ctx, char c, size_t from) {
size_t end = ctx.len - 1;
for(size_t i = from; i < end; ++i) {
if(ctx.buf[i] != c) return i;
}
return SIZE_MAX;
}
size_t strvFindFirstNotOf(strview_t ctx, strview_t view, size_t from) {
for(size_t i = from; i < ctx.len; ++i) {
if(!strvContains(view, ctx.buf[i])) {
return i;
}
}
return SIZE_MAX;
}
size_t strvFindLastNot(strview_t ctx, char c, size_t from) {
if(from >= ctx.len) {
from = ctx.len - 1;
}
const char *buf = ctx.buf + from;
for(; buf >= ctx.buf; --buf) {
if(*buf != c) {
return buf - ctx.buf;
}
}
return SIZE_MAX;
}
size_t strvFindLastNotOf(strview_t ctx, strview_t view, size_t from) {
if(from >= ctx.len) {
from = ctx.len - 1;
}
const char *buf = ctx.buf + from;
for(; buf >= ctx.buf; --buf) {
if(!strvContains(view, *buf)) {
return buf - ctx.buf;
}
}
return SIZE_MAX;
}
#ifdef STR_TESTING
#include <stdio.h>
#include "tracelog.h"
void strTest(void) {
str_t s;
debug("== testing init =================");
{
s = strInit();
printf("%s %zu\n", s.buf, s.len);
strFree(&s);
s = strInitStr("hello world");
printf("\"%s\" %zu\n", s.buf, s.len);
strFree(&s);
uint8_t buf[] = { 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' };
s = strInitBuf((char *)buf, sizeof(buf));
printf("\"%s\" %zu\n", s.buf, s.len);
strFree(&s);
}
debug("== testing view =================");
{
s = strInitStr("hello world");
strview_t view = strGetView(&s);
printf("\"%.*s\" %zu\n", (int)view.len, view.buf, view.len);
strFree(&s);
}
debug("== testing begin/end ============");
{
s = strInitStr("hello world");
char *beg = strBegin(&s);
char *end = strEnd(&s);
printf("[ ");
for(; beg < end; ++beg) {
printf("%c ", *beg);
}
printf("]\n");
strFree(&s);
}
debug("== testing back/isempty =========");
{
s = strInitStr("hello world");
printf("[ ");
while(!strIsEmpty(&s)) {
printf("%c ", strBack(&s));
strPop(&s);
}
printf("]\n");
strFree(&s);
}
debug("== testing append ===============");
{
s = strInitStr("hello ");
printf("\"%s\" %zu\n", s.buf, s.len);
strAppend(&s, "world");
printf("\"%s\" %zu\n", s.buf, s.len);
strAppendView(&s, strvInit(", how is it "));
printf("\"%s\" %zu\n", s.buf, s.len);
uint8_t buf[] = { 'g', 'o', 'i', 'n', 'g' };
strAppendBuf(&s, (char*)buf, sizeof(buf));
printf("\"%s\" %zu\n", s.buf, s.len);
strAppendChars(&s, '?', 2);
printf("\"%s\" %zu\n", s.buf, s.len);
strFree(&s);
}
debug("== testing push/pop =============");
{
s = strInit();
str_t s2 = strInitStr("hello world");
printf("%-14s %-14s\n", "s", "s2");
printf("----------------------------\n");
while(!strIsEmpty(&s2)) {
printf("%-14s %-14s\n", s.buf, s2.buf);
strPush(&s, strPop(&s2));
}
printf("%-14s %-14s\n", s.buf, s2.buf);
strFree(&s);
strFree(&s2);
}
debug("== testing swap =================");
{
s = strInitStr("hello");
str_t s2 = strInitStr("world");
printf("%-8s %-8s\n", "s", "s2");
printf("----------------\n");
printf("%-8s %-8s\n", s.buf, s2.buf);
strSwap(&s, &s2);
printf("%-8s %-8s\n", s.buf, s2.buf);
strFree(&s);
strFree(&s2);
}
debug("== testing substr ===============");
{
s = strInitStr("hello world");
printf("s: %s\n", s.buf);
printf("-- string\n");
str_t s2 = strSubstr(&s, 0, 5);
printf("0..5: \"%s\"\n", s2.buf);
strFree(&s2);
s2 = strSubstr(&s, 5, SIZE_MAX);
printf("6..SIZE_MAX: \"%s\"\n", s2.buf);
strFree(&s2);
printf("-- view\n");
strview_t v = strSubview(&s, 0, 5);
printf("0..5: \"%.*s\"\n", (int)v.len, v.buf);
v = strSubview(&s, 5, SIZE_MAX);
printf("6..SIZE_MAX: \"%.*s\"\n", (int)v.len, v.buf);
strFree(&s);
}
strFree(&s);
}
#endif