webpage/lexer.c

111 lines
2.0 KiB
C

#include "lexer.h"
Cursor cursor = {
.chunk = 0,
.offset = 0,
};
char* nextchar(void){
if (page.chunks[cursor.chunk][cursor.offset+1] == '\0'){
cursor.chunk++;
cursor.offset = 0;
} else {
cursor.offset++;
}
if (cursor.chunk >= page.len){
return NULL;
}
return &page.chunks[cursor.chunk][cursor.offset];
}
char* HTMLbalise(void){
return NULL;
}
Token* nexttoken(void){
Token* token = malloc(sizeof(Token));
token->value = NULL;
char* word = HTMLbalise();
if (word == NULL){
token->type = NO_TYPE;
} else if (strcmp(word, "body") == 0){
token->type = BODY;
} else if (strcmp(word, "/body") == 0){
token->type = END_BODY;
} else if (strcmp(word, "ul") == 0){
token->type = UL;
} else if (strcmp(word, "li") == 0){
token->type = LI;
} else if (strcmp(word, "h1") == 0){
token->type = H1;
} else if (strcmp(word, "h2") == 0){
token->type = H2;
} else if (strcmp(word, "h3") == 0){
token->type = H3;
} else if (strcmp(word, "h4") == 0){
token->type = H4;
} else if (strcmp(word, "h5") == 0){
token->type = H5;
} else if (strcmp(word, "h6") == 0){
token->type = H6;
} else {
token->type = NO_TYPE;
}
return token;
}
void printtoken(Token* token){
switch (token->type) {
case NO_TYPE:
printf("NO_TYPE: ");
break;
case TEXT:
printf("TEXT: ");
break;
case BODY:
printf("BODY: ");
break;
case END_BODY:
printf("END_BODY: ");
break;
case UL:
printf("UL: ");
break;
case LI:
printf("LI: ");
break;
case H1:
printf("H1: ");
break;
case H2:
printf("H2: ");
break;
case H3:
printf("H3: ");
break;
case H4:
printf("H4: ");
break;
case H5:
printf("H5: ");
break;
case H6:
printf("H6: ");
break;
default:
printf("UNDEFINED TOKEN: ");
break;
}
if (token->value == NULL){
puts("NO VALUE FOUND");
return;
}
printf("%s\n", token->value);
}