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string_library.h

@@ -0,0 +1,113 @@
+#ifndef STR_H
+#define STR_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <string.h>
+#include <inttypes.h>
+#include <stdarg.h>
+
+#define XSTR(S)	STR(S)
+#define STR(S)	#S
+
+
+struct str {
+	uint32_t cap;
+	uint32_t len;
+	char *ptr;
+};
+
+
+bool charisalpha(char c);
+
+bool charisnum(char c);
+
+bool charisblank(char c);
+
+bool charislinebreak(char c);
+
+bool charisspace(char c);
+
+char lowerchar(char c);
+
+uint32_t len(const char *s);
+
+uint32_t lowers(char *s);
+
+struct str str(char *s);
+
+struct str nstr(uint32_t cap);
+
+#define slen(s) (sizeof(s)-1)
+
+#define sstr(s) ((struct str){.cap = 0, .len = slen(s), .ptr = s})
+
+#define snstr(s, n) ((struct str){.cap = 0, .len = n, .ptr = s})
+
+int resize_str(struct str *s, uint32_t nsize);
+
+struct str dup_str(struct str s);
+
+uint32_t lowerstr(struct str s);
+
+struct str utostr(uint64_t n, int b);
+
+// TODO: remove all instances of utostr where its not needed
+#define sutostr(n) sstr(XSTR(n))
+
+uint64_t strtou(struct str s);
+
+#define NUMSTRS(...) (sizeof((struct str[]){{0}, ##__VA_ARGS__})/sizeof(struct str)-1)
+
+uint64_t len_nstrs(uint64_t n, ...);
+
+#define len_strs(...) \
+	len_nstrs(NUMSTRS(__VA_ARGS__), __VA_ARGS__)
+
+#define copy_str(dest, src) \
+	if(dest.ptr != NULL && src.ptr != NULL){	\
+		memcpy((dest).ptr+(dest).len, (src).ptr, (src).len); \
+		(dest).len += (src).len;	\
+	}
+
+#define move_str(dest, src) \
+	if(dest.ptr != NULL && src.ptr != NULL){	\
+		memmove((dest).ptr+(dest).len, (src).ptr, (src).len); \
+		(dest).len += (src).len;	\
+	}
+
+void copy_nstrs(struct str dst, uint64_t n, ...);
+
+void move_nstrs(struct str dst, uint64_t n, ...);
+
+#define copy_strs(d, ...) \
+	copy_nstrs(d, NUMSTRS(__VA_ARGS__), __VA_ARGS__); \
+	(d).len += len_nstrs(NUMSTRS(__VA_ARGS__), __VA_ARGS__)
+
+#define move_strs(d, ...) \
+	move_nstrs(d, NUMSTRS(__VA_ARGS__), __VA_ARGS__); \
+	(d).len += len_nstrs(NUMSTRS(__VA_ARGS__), __VA_ARGS__)
+
+struct str read_delim(char *buf, char d);
+
+struct str sread_delim(char *buf, char d);
+
+struct str read_delim_f(char *buf, bool (*func)(char), bool func_cond);
+
+struct str sread_delim_f(char *buf, bool (*func)(char), bool func_cond);
+
+uint32_t get_line_len(char *buf);
+
+void fd_to_str(struct str *s, int fd, uint32_t len);
+
+void file_to_str(struct str *s, FILE *fp, uint32_t len);
+
+void print_str(struct str s);
+
+void free_str(struct str *s);
+
+char *charinstr(char c, struct str s); // move somewhere relevant
+
+#endif