#ifdef GEN_INTELLISENSE_DIRECTIVES # pragma once # include "memory.hpp" #endif #pragma region String Ops const char* char_first_occurence( const char* str, char c ); constexpr auto str_find = &char_first_occurence; b32 char_is_alpha( char c ); b32 char_is_alphanumeric( char c ); b32 char_is_digit( char c ); b32 char_is_hex_digit( char c ); b32 char_is_space( char c ); char char_to_lower( char c ); char char_to_upper( char c ); s32 digit_to_int( char c ); s32 hex_digit_to_int( char c ); s32 str_compare( const char* s1, const char* s2 ); s32 str_compare( const char* s1, const char* s2, ssize len ); char* str_copy( char* dest, const char* source, ssize len ); ssize str_copy_nulpad( char* dest, const char* source, ssize len ); ssize str_len( const char* str ); ssize str_len( const char* str, ssize max_len ); char* str_reverse( char* str ); // NOTE: ASCII only char const* str_skip( char const* str, char c ); char const* str_skip_any( char const* str, char const* char_list ); char const* str_trim( char const* str, b32 catch_newline ); // NOTE: ASCII only void str_to_lower( char* str ); void str_to_upper( char* str ); s64 str_to_i64( const char* str, char** end_ptr, s32 base ); void i64_to_str( s64 value, char* string, s32 base ); void u64_to_str( u64 value, char* string, s32 base ); f64 str_to_f64( const char* str, char** end_ptr ); inline const char* char_first_occurence( const char* s, char c ) { char ch = c; for ( ; *s != ch; s++ ) { if ( *s == '\0' ) return NULL; } return s; } inline b32 char_is_alpha( char c ) { if ( ( c >= 'A' && c <= 'Z' ) || ( c >= 'a' && c <= 'z' ) ) return true; return false; } inline b32 char_is_alphanumeric( char c ) { return char_is_alpha( c ) || char_is_digit( c ); } inline b32 char_is_digit( char c ) { if ( c >= '0' && c <= '9' ) return true; return false; } inline b32 char_is_hex_digit( char c ) { if ( char_is_digit( c ) || ( c >= 'a' && c <= 'f' ) || ( c >= 'A' && c <= 'F' ) ) return true; return false; } inline b32 char_is_space( char c ) { if ( c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\f' || c == '\v' ) return true; return false; } inline char char_to_lower( char c ) { if ( c >= 'A' && c <= 'Z' ) return 'a' + ( c - 'A' ); return c; } inline char char_to_upper( char c ) { if ( c >= 'a' && c <= 'z' ) return 'A' + ( c - 'a' ); return c; } inline s32 digit_to_int( char c ) { return char_is_digit( c ) ? c - '0' : c - 'W'; } inline s32 hex_digit_to_int( char c ) { if ( char_is_digit( c ) ) return digit_to_int( c ); else if ( is_between( c, 'a', 'f' ) ) return c - 'a' + 10; else if ( is_between( c, 'A', 'F' ) ) return c - 'A' + 10; return -1; } inline s32 str_compare( const char* s1, const char* s2 ) { while ( *s1 && ( *s1 == *s2 ) ) { s1++, s2++; } return *( u8* )s1 - *( u8* )s2; } inline s32 str_compare( const char* s1, const char* s2, ssize len ) { for ( ; len > 0; s1++, s2++, len-- ) { if ( *s1 != *s2 ) return ( ( s1 < s2 ) ? -1 : +1 ); else if ( *s1 == '\0' ) return 0; } return 0; } inline char* str_copy( char* dest, const char* source, ssize len ) { GEN_ASSERT_NOT_NULL( dest ); if ( source ) { char* str = dest; while ( len > 0 && *source ) { *str++ = *source++; len--; } while ( len > 0 ) { *str++ = '\0'; len--; } } return dest; } inline ssize str_copy_nulpad( char* dest, const char* source, ssize len ) { ssize result = 0; GEN_ASSERT_NOT_NULL( dest ); if ( source ) { const char* source_start = source; char* str = dest; while ( len > 0 && *source ) { *str++ = *source++; len--; } while ( len > 0 ) { *str++ = '\0'; len--; } result = source - source_start; } return result; } inline ssize str_len( const char* str ) { if ( str == NULL ) { return 0; } const char* p = str; while ( *str ) str++; return str - p; } inline ssize str_len( const char* str, ssize max_len ) { const char* end = rcast(const char*, mem_find( str, 0, max_len )); if ( end ) return end - str; return max_len; } inline char* str_reverse( char* str ) { ssize len = str_len( str ); char* a = str + 0; char* b = str + len - 1; len /= 2; while ( len-- ) { swap( *a, *b ); a++, b--; } return str; } inline char const* str_skip( char const* str, char c ) { while ( *str && *str != c ) { ++str; } return str; } inline char const* str_skip_any( char const* str, char const* char_list ) { char const* closest_ptr = rcast( char const*, pointer_add_const( rcast(void const*, str), str_len( str ) )); ssize char_list_count = str_len( char_list ); for ( ssize i = 0; i < char_list_count; i++ ) { char const* p = str_skip( str, char_list[ i ] ); closest_ptr = min( closest_ptr, p ); } return closest_ptr; } inline char const* str_trim( char const* str, b32 catch_newline ) { while ( *str && char_is_space( *str ) && ( ! catch_newline || ( catch_newline && *str != '\n' ) ) ) { ++str; } return str; } inline void str_to_lower( char* str ) { if ( ! str ) return; while ( *str ) { *str = char_to_lower( *str ); str++; } } inline void str_to_upper( char* str ) { if ( ! str ) return; while ( *str ) { *str = char_to_upper( *str ); str++; } } #pragma endregion String Ops