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-rw-r--r--src/string.cpp81
1 files changed, 57 insertions, 24 deletions
diff --git a/src/string.cpp b/src/string.cpp
index 3db3c21f4..105e9961b 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -12,6 +12,15 @@ void init_string_buffer_memory(void) {
typedef struct String {
u8 * text;
isize len;
+
+ u8 &operator[](isize i) {
+ GB_ASSERT(0 <= i && i < len);
+ return text[i];
+ }
+ u8 const &operator[](isize i) const {
+ GB_ASSERT(0 <= i && i < len);
+ return text[i];
+ }
} String;
// NOTE(bill): used for printf style arguments
#define LIT(x) ((int)(x).len), (x).text
@@ -23,6 +32,14 @@ typedef struct String {
typedef struct String16 {
wchar_t *text;
isize len;
+ wchar_t &operator[](isize i) {
+ GB_ASSERT(0 <= i && i < len);
+ return text[i];
+ }
+ wchar_t const &operator[](isize i) const {
+ GB_ASSERT(0 <= i && i < len);
+ return text[i];
+ }
} String16;
@@ -56,8 +73,8 @@ gb_inline bool str_eq_ignore_case(String a, String b) {
if (a.len == b.len) {
isize i;
for (i = 0; i < a.len; i++) {
- char x = cast(char)a.text[i];
- char y = cast(char)b.text[i];
+ char x = cast(char)a[i];
+ char y = cast(char)b[i];
if (gb_char_to_lower(x) != gb_char_to_lower(y))
return false;
}
@@ -88,16 +105,16 @@ int string_compare(String x, String y) {
for (; curr_block < fast; curr_block++) {
if (la[curr_block] ^ lb[curr_block]) {
for (pos = curr_block*gb_size_of(isize); pos < n; pos++) {
- if (x.text[pos] ^ y.text[pos]) {
- return cast(int)x.text[pos] - cast(int)y.text[pos];
+ if (x[pos] ^ y[pos]) {
+ return cast(int)x[pos] - cast(int)y[pos];
}
}
}
}
for (; offset < n; offset++) {
- if (x.text[offset] ^ y.text[offset]) {
- return cast(int)x.text[offset] - cast(int)y.text[offset];
+ if (x[offset] ^ y[offset]) {
+ return cast(int)x[offset] - cast(int)y[offset];
}
}
}
@@ -117,13 +134,29 @@ gb_inline bool str_gt(String a, String b) { return string_compare(a, b) > 0;
gb_inline bool str_le(String a, String b) { return string_compare(a, b) <= 0; }
gb_inline bool str_ge(String a, String b) { return string_compare(a, b) >= 0; }
+bool operator == (String a, String b) { return str_eq(a, b); }
+bool operator != (String a, String b) { return str_ne(a, b); }
+bool operator < (String a, String b) { return str_lt(a, b); }
+bool operator > (String a, String b) { return str_gt(a, b); }
+bool operator <= (String a, String b) { return str_le(a, b); }
+bool operator >= (String a, String b) { return str_ge(a, b); }
+
+template <isize N> bool operator == (String a, char const (&b)[N]) { return str_eq(a, make_string(cast(u8 *)b, N-1)); }
+template <isize N> bool operator != (String a, char const (&b)[N]) { return str_ne(a, make_string(cast(u8 *)b, N-1)); }
+template <isize N> bool operator < (String a, char const (&b)[N]) { return str_lt(a, make_string(cast(u8 *)b, N-1)); }
+template <isize N> bool operator > (String a, char const (&b)[N]) { return str_gt(a, make_string(cast(u8 *)b, N-1)); }
+template <isize N> bool operator <= (String a, char const (&b)[N]) { return str_le(a, make_string(cast(u8 *)b, N-1)); }
+template <isize N> bool operator >= (String a, char const (&b)[N]) { return str_ge(a, make_string(cast(u8 *)b, N-1)); }
+
+
+
gb_inline bool str_has_prefix(String s, String prefix) {
isize i;
if (prefix.len < s.len) {
return false;
}
for (i = 0; i < prefix.len; i++) {
- if (s.text[i] != prefix.text[i]) {
+ if (s[i] != prefix[i]) {
return false;
}
}
@@ -135,9 +168,9 @@ gb_inline isize string_extension_position(String str) {
isize i = str.len;
bool seen_dot = false;
while (i --> 0) {
- if (str.text[i] == GB_PATH_SEPARATOR)
+ if (str[i] == GB_PATH_SEPARATOR)
break;
- if (str.text[i] == '.') {
+ if (str[i] == '.') {
dot_pos = i;
break;
}
@@ -147,11 +180,11 @@ gb_inline isize string_extension_position(String str) {
}
String string_trim_whitespace(String str) {
- while (str.len > 0 && rune_is_whitespace(str.text[str.len-1])) {
+ while (str.len > 0 && rune_is_whitespace(str[str.len-1])) {
str.len--;
}
- while (str.len > 0 && rune_is_whitespace(str.text[0])) {
+ while (str.len > 0 && rune_is_whitespace(str[0])) {
str.text++;
str.len--;
}
@@ -166,7 +199,7 @@ gb_inline bool string_has_extension(String str, String ext) {
}
isize len = str.len;
for (isize i = len-1; i >= 0; i--) {
- if (str.text[i] == '.') {
+ if (str[i] == '.') {
break;
}
len--;
@@ -182,7 +215,7 @@ gb_inline bool string_has_extension(String str, String ext) {
bool string_contains_char(String s, u8 c) {
isize i;
for (i = 0; i < s.len; i++) {
- if (s.text[i] == c)
+ if (s[i] == c)
return true;
}
return false;
@@ -194,8 +227,8 @@ String filename_from_path(String s) {
isize j = 0;
s.len = i;
for (j = i-1; j >= 0; j--) {
- if (s.text[j] == '/' ||
- s.text[j] == '\\') {
+ if (s[j] == '/' ||
+ s[j] == '\\') {
break;
}
}
@@ -315,18 +348,18 @@ String string16_to_string(gbAllocator a, String16 s) {
bool unquote_char(String s, u8 quote, Rune *rune, bool *multiple_bytes, String *tail_string) {
u8 c;
- if (s.text[0] == quote &&
+ if (s[0] == quote &&
(quote == '\'' || quote == '"')) {
return false;
- } else if (s.text[0] >= 0x80) {
+ } else if (s[0] >= 0x80) {
Rune r = -1;
isize size = gb_utf8_decode(s.text, s.len, &r);
*rune = r;
*multiple_bytes = true;
*tail_string = make_string(s.text+size, s.len-size);
return true;
- } else if (s.text[0] != '\\') {
- *rune = s.text[0];
+ } else if (s[0] != '\\') {
+ *rune = s[0];
*tail_string = make_string(s.text+1, s.len-1);
return true;
}
@@ -334,7 +367,7 @@ bool unquote_char(String s, u8 quote, Rune *rune, bool *multiple_bytes, String *
if (s.len <= 1) {
return false;
}
- c = s.text[1];
+ c = s[1];
s = make_string(s.text+2, s.len-2);
switch (c) {
@@ -372,7 +405,7 @@ bool unquote_char(String s, u8 quote, Rune *rune, bool *multiple_bytes, String *
return false;
}
for (i = 0; i < 2; i++) {
- i32 d = gb_digit_to_int(s.text[i]);
+ i32 d = gb_digit_to_int(s[i]);
if (d < 0 || d > 7) {
return false;
}
@@ -400,7 +433,7 @@ bool unquote_char(String s, u8 quote, Rune *rune, bool *multiple_bytes, String *
return false;
}
for (i = 0; i < count; i++) {
- i32 d = gb_hex_digit_to_int(s.text[i]);
+ i32 d = gb_hex_digit_to_int(s[i]);
if (d < 0) {
return false;
}
@@ -433,8 +466,8 @@ i32 unquote_string(gbAllocator a, String *s_) {
if (n < 2) {
return 0;
}
- quote = s.text[0];
- if (quote != s.text[n-1]) {
+ quote = s[0];
+ if (quote != s[n-1]) {
return 0;
}
s.text += 1;
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-15 14:14:10 +0000