mmmmh

str.h

@@ -0,0 +1,119 @@
+#pragma once
+
+#include <stdarg.h> // va_list
+#include <string.h> // strlen
+
+#include "collatypes.h"
+
+typedef struct arena_t arena_t;
+
+#define STR_NONE SIZE_MAX
+
+typedef struct {
+    char *buf;
+    usize len;
+} str_t;
+
+typedef struct {
+    const char *buf;
+    usize len;
+} strview_t;
+
+// == STR_T ========================================================
+
+#define str__1(arena, x)            \
+    _Generic((x),                   \
+        const char *:    strInit,      \
+        char *:          strInit,      \
+        const wchar_t *: strFromWChar, \
+        wchar_t *:       strFromWChar, \
+        strview_t:       strInitView   \
+    )(arena, x)
+
+#define str__2(arena, cstr, clen) strInitLen(arena, cstr, clen)
+#define str__impl(_1, _2, n, ...) str__##n
+
+// either:
+//     arena_t arena, [const] char *cstr, [usize len]
+//     arena_t arena, strview_t view
+#define str(arena, ...) str__impl(__VA_ARGS__, 2, 1, 0)(arena, __VA_ARGS__)
+
+#define STR_EMPTY (str_t){0}
+
+str_t strInit(arena_t *arena, const char *buf);
+str_t strInitLen(arena_t *arena, const char *buf, usize len);
+str_t strInitView(arena_t *arena, strview_t view);
+str_t strFmt(arena_t *arena, const char *fmt, ...);
+str_t strFmtv(arena_t *arena, const char *fmt, va_list args);
+
+str_t strFromWChar(arena_t *arena, const wchar_t *src);
+str_t strFromWCharLen(arena_t *arena, const wchar_t *src, usize srclen);
+
+bool strEquals(str_t a, str_t b);
+int strCompare(str_t a, str_t b);
+
+str_t strDup(arena_t *arena, str_t src);
+bool strIsEmpty(str_t ctx);
+
+void strReplace(str_t *ctx, char from, char to);
+// if len == SIZE_MAX, copies until end
+strview_t strSub(str_t ctx, usize from, usize to);
+
+void strLower(str_t *ctx);
+void strUpper(str_t *ctx);
+
+str_t strToLower(arena_t *arena, str_t ctx);
+str_t strToUpper(arena_t *arena, str_t ctx);
+
+// == STRVIEW_T ====================================================
+
+#define strv__1(x)                  \
+    _Generic((x),                   \
+        char *:       strvInit,     \
+        const char *: strvInit,     \
+        str_t:        strvInitStr   \
+    )(x)
+
+#define strv__2(cstr, clen) strvInitLen(cstr, clen)
+#define strv__impl(_1, _2, n, ...) strv__##n
+
+#define strv(...) strv__impl(__VA_ARGS__, 2, 1, 0)(__VA_ARGS__)
+
+#define STRV_EMPTY (strview_t){0}
+
+strview_t strvInit(const char *cstr);
+strview_t strvInitLen(const char *buf, usize size);
+strview_t strvInitStr(str_t str);
+
+bool strvIsEmpty(strview_t ctx);
+bool strvEquals(strview_t a, strview_t b);
+int strvCompare(strview_t a, strview_t b);
+
+char strvFront(strview_t ctx);
+char strvBack(strview_t ctx);
+
+wchar_t *strvToWChar(arena_t *arena, strview_t ctx, usize *outlen);
+TCHAR *strvToTChar(arena_t *arena, strview_t str);
+
+strview_t strvRemovePrefix(strview_t ctx, usize n);
+strview_t strvRemoveSuffix(strview_t ctx, usize n);
+strview_t strvTrim(strview_t ctx);
+strview_t strvTrimLeft(strview_t ctx);
+strview_t strvTrimRight(strview_t ctx);
+
+strview_t strvSub(strview_t ctx, usize from, usize to);
+
+bool strvStartsWith(strview_t ctx, char c);
+bool strvStartsWithView(strview_t ctx, strview_t view);
+
+bool strvEndsWith(strview_t ctx, char c);
+bool strvEndsWithView(strview_t ctx, strview_t view);
+
+bool strvContains(strview_t ctx, char c);
+bool strvContainsView(strview_t ctx, strview_t view);
+
+usize strvFind(strview_t ctx, char c, usize from);
+usize strvFindView(strview_t ctx, strview_t view, usize from);
+
+usize strvRFind(strview_t ctx, char c, usize from_right);
+usize strvRFindView(strview_t ctx, strview_t view, usize from_right);