125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
//register
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//putchar()
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "hl.h"
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#define ALLOCATION_CHUNK (10UL)
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static char * buffer = NULL;
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static size_t buffer_size = 0;
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typedef struct {
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char * attribute;
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char * foreground_color;
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char * background_color;
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} terminal_hl_t;
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void cterm_render_callback(const char * const string,
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const int length,
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void * const attributes) {
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if(!length){
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fputs(TERMINAL_STYLE_BOLD, stdout);
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putchar(*string);
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fputs(TERMINAL_RESET, stdout);
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return;
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}
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terminal_hl_t * term_hl = (terminal_hl_t*)attributes;
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fputs(term_hl->attribute, stdout);
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fputs(term_hl->foreground_color, stdout);
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for (int i = 0; i < length; i++) {
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putchar(*(string+i));
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}
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fputs(TERMINAL_RESET, stdout);
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}
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int main(int argc,
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char * * argv) {
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UNUSED(argc);
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UNUSED(argv);
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// Buffer init
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buffer = realloc(buffer, ALLOCATION_CHUNK);
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do {
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if (!((buffer_size + 1) % ALLOCATION_CHUNK)) {
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/* Linear incremental reallocation (advanced)!
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*/
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size_t chunks = (buffer_size + 1) / ALLOCATION_CHUNK;
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buffer = realloc(buffer, ++chunks * ALLOCATION_CHUNK);
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}
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buffer[buffer_size] = '\0';
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/* TODO handle me */
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assert(read(STDIN_FILENO, &buffer[buffer_size], sizeof (*buffer)) != -1);
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++buffer_size;
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} while (buffer[buffer_size - 1]);
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buffer[buffer_size - 1] = '\0';
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// Highlight init
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const char * c_keywords[] = {
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"register", "volatile", "auto", "const", "static", "extern", "if", "else",
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"do", "while", "for", "continue", "switch", "case", "default", "break",
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"enum", "union", "struct", "typedef", "goto", "void", "return", "sizeof",
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"char", "short", "int", "long", "signed", "unsigned", "float", "double",
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NULL
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};
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const char * preprocessor_keywords[] = {
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"#include", "#pragma", "#define", "#undef", "#ifdef", "#ifndef", "#elifdef", "#elifndef",
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"#if", "#elif", "#else", "#endif", "#embed", "#line", "#error", "#warning",
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NULL
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};
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//
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display_t * cterm = &(display_t) {
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.key = "cterm",
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.callback = cterm_render_callback
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};
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//
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terminal_hl_t terminal_keyword_hl = (terminal_hl_t) {
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.attribute = TERMINAL_STYLE_BOLD,
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.foreground_color = TERMINAL_COLOR_FG_GREEN,
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.background_color = NULL
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};
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hl_group_t keyword_hl = (hl_group_t) {
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.link = NULL,
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.attributes = (void*)&terminal_keyword_hl
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};
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//
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terminal_hl_t terminal_preprocessor_hl = (terminal_hl_t) {
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.attribute = TERMINAL_STYLE_BOLD,
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.foreground_color = TERMINAL_COLOR_FG_BLUE,
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.background_color = NULL
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};
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hl_group_t preprocessor_hl = (hl_group_t) {
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.link = NULL,
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.attributes = (void*)&terminal_preprocessor_hl
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};
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//
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terminal_hl_t terminal_symbol_hl = (terminal_hl_t) {
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.attribute = TERMINAL_STYLE_BOLD,
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.foreground_color = TERMINAL_COLOR_FG_YELLOW,
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.background_color = NULL
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};
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hl_group_t symbol_hl = (hl_group_t) {
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.link = NULL,
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.attributes = (void*)&terminal_symbol_hl
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};
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//
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new_display_mode(cterm);
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new_keyword_tokens(c_keywords, &keyword_hl);
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new_keyword_tokens(preprocessor_keywords, &preprocessor_hl);
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new_char_tokens("&|()[]{}*,", &symbol_hl);
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//
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render_string(buffer, "cterm");
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putchar('\n');
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free(buffer);
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return 0;
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}
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