emil/libhl
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This commit is contained in:
anon 2023-08-24 03:37:40 +02:00
parent e82948f35d
commit e41ff28910
4 changed files with 93 additions and 84 deletions

11
source/hl.h

@ -16,6 +16,10 @@ typedef enum {
REGION
} token_type_t;
typedef void (*attribute_callback_t) (const char * const string,
const int length,
void * const attributes);
typedef struct {
char * key;
attribute_callback_t callback;
@ -33,10 +37,6 @@ typedef struct {
char * syntax;
} token_t;
typedef void (*attribute_callback_t) (const char * const string,
const int length,
void * const attributes);
// GLOBALS
token_t * token_table[1000];
@ -225,6 +225,9 @@ void render_string(const char * const string,
// -------------------------
// ### Library Mangement ###
// -------------------------
hl_group_t * keyword_hl = NULL;
hl_group_t * preprocessor_hl = NULL;
hl_group_t * symbol_hl = NULL;
int hl_init(void) {
return 0;

17
source/hl_c.inc Normal file

@ -0,0 +1,17 @@
const char * c_keywords[] = {
"register", "volatile", "auto", "const", "static", "extern", "if", "else",
"do", "while", "for", "continue", "switch", "case", "default", "break",
"enum", "union", "struct", "typedef", "goto", "void", "return", "sizeof",
"char", "short", "int", "long", "signed", "unsigned", "float", "double",
NULL
};
const char * preprocessor_keywords[] = {
"#include", "#pragma", "#define", "#undef", "#ifdef", "#ifndef", "#elifdef", "#elifndef",
"#if", "#elif", "#else", "#endif", "#embed", "#line", "#error", "#warning",
NULL
};
new_char_tokens("&|()[]{}*,", symbol_hl);
new_keyword_tokens(c_keywords, keyword_hl);
new_keyword_tokens(preprocessor_keywords, preprocessor_hl);

82
source/main.c

@ -10,31 +10,6 @@
static char * buffer = NULL;
static size_t buffer_size = 0;
typedef struct {
char * attribute;
char * foreground_color;
char * background_color;
} terminal_hl_t;
void cterm_render_callback(const char * const string,
const int length,
void * const attributes) {
if(!length){
fputs(TERMINAL_STYLE_BOLD, stdout);
putchar(*string);
fputs(TERMINAL_RESET, stdout);
return;
}
terminal_hl_t * term_hl = (terminal_hl_t*)attributes;
fputs(term_hl->attribute, stdout);
fputs(term_hl->foreground_color, stdout);
for (int i = 0; i < length; i++) {
putchar(*(string+i));
}
fputs(TERMINAL_RESET, stdout);
}
int main(int argc,
char * * argv) {
UNUSED(argc);
@ -59,62 +34,9 @@ int main(int argc,
buffer[buffer_size - 1] = '\0';
// Highlight init
hl_init();
const char * c_keywords[] = {
"register", "volatile", "auto", "const", "static", "extern", "if", "else",
"do", "while", "for", "continue", "switch", "case", "default", "break",
"enum", "union", "struct", "typedef", "goto", "void", "return", "sizeof",
"char", "short", "int", "long", "signed", "unsigned", "float", "double",
NULL
};
const char * preprocessor_keywords[] = {
"#include", "#pragma", "#define", "#undef", "#ifdef", "#ifndef", "#elifdef", "#elifndef",
"#if", "#elif", "#else", "#endif", "#embed", "#line", "#error", "#warning",
NULL
};
terminal_hl_init();
//
display_t * cterm = &(display_t) {
.key = "cterm",
.callback = cterm_render_callback
};
//
terminal_hl_t terminal_keyword_hl = (terminal_hl_t) {
.attribute = TERMINAL_STYLE_BOLD,
.foreground_color = TERMINAL_COLOR_FG_GREEN,
.background_color = NULL
};
hl_group_t keyword_hl = (hl_group_t) {
.link = NULL,
.attributes = (void*)&terminal_keyword_hl
};
//
terminal_hl_t terminal_preprocessor_hl = (terminal_hl_t) {
.attribute = TERMINAL_STYLE_BOLD,
.foreground_color = TERMINAL_COLOR_FG_BLUE,
.background_color = NULL
};
hl_group_t preprocessor_hl = (hl_group_t) {
.link = NULL,
.attributes = (void*)&terminal_preprocessor_hl
};
//
terminal_hl_t terminal_symbol_hl = (terminal_hl_t) {
.attribute = TERMINAL_STYLE_BOLD,
.foreground_color = TERMINAL_COLOR_FG_YELLOW,
.background_color = NULL
};
hl_group_t symbol_hl = (hl_group_t) {
.link = NULL,
.attributes = (void*)&terminal_symbol_hl
};
//
new_display_mode(cterm);
new_char_tokens("&|()[]{}*,", &symbol_hl);
new_keyword_tokens(c_keywords, &keyword_hl);
new_keyword_tokens(preprocessor_keywords, &preprocessor_hl);
#include "hl_c.inc";
//
render_string(buffer, "cterm");
putchar('\n');

67
source/terminal_hl.h Normal file

@ -0,0 +1,67 @@
typedef struct {
char * attribute;
char * foreground_color;
char * background_color;
} terminal_hl_t;
void cterm_render_callback(const char * const string,
const int length,
void * const attributes) {
if(!length){
fputs(TERMINAL_STYLE_BOLD, stdout);
putchar(*string);
fputs(TERMINAL_RESET, stdout);
return;
}
terminal_hl_t * term_hl = (terminal_hl_t*)attributes;
fputs(term_hl->attribute, stdout);
fputs(term_hl->foreground_color, stdout);
for (int i = 0; i < length; i++) {
putchar(*(string+i));
}
fputs(TERMINAL_RESET, stdout);
}
display_t * cterm = &(display_t) {
.key = "cterm",
.callback = cterm_render_callback
};
int terminal_hl_init(void){
hl_init();
new_display_mode(cterm);
//
terminal_hl_t terminal_keyword_hl = (terminal_hl_t) {
.attribute = TERMINAL_STYLE_BOLD,
.foreground_color = TERMINAL_COLOR_FG_GREEN,
.background_color = NULL
};
keyword_hl = (hl_group_t) {
.link = NULL,
.attributes = (void*)&terminal_keyword_hl
};
//
terminal_hl_t terminal_preprocessor_hl = (terminal_hl_t) {
.attribute = TERMINAL_STYLE_BOLD,
.foreground_color = TERMINAL_COLOR_FG_BLUE,
.background_color = NULL
};
preprocessor_hl = (hl_group_t) {
.link = NULL,
.attributes = (void*)&terminal_preprocessor_hl
};
//
terminal_hl_t terminal_symbol_hl = (terminal_hl_t) {
.attribute = TERMINAL_STYLE_BOLD,
.foreground_color = TERMINAL_COLOR_FG_YELLOW,
.background_color = NULL
};
symbol_hl = (hl_group_t) {
.link = NULL,
.attributes = (void*)&terminal_symbol_hl
};
return 0;
}