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refacto lexer

This commit is contained in:
_N3m0 2024-01-02 22:44:42 +01:00
parent 768473c996
commit 56b705b741
2 changed files with 80 additions and 76 deletions
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154
lexer.c
View File

@ -17,6 +17,77 @@ Cursor prev = {
.offset = -2, .offset = -2,
}; };
void printtoken(Token* token){
if (token == NULL){
puts("NULL TOKEN");
return;
}
switch (token->type) {
case UNDEFINED_TYPE:
printf("UNDEFINED_TYPE: ");
break;
case DONT_CARE:
printf("DONT_CARE: ");
break;
case TEXT:
printf("TEXT: ");
break;
case BODY:
printf("BODY: ");
break;
case END_BODY:
printf("END_BODY: ");
break;
case HTML:
printf("HTML: ");
break;
case END_HTML:
printf("END_HTML: ");
break;
case A:
printf("A: ");
break;
case END_A:
printf("END_A: ");
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("ERROR: UNKNOWN TOKEN: ");
break;
}
if (token->value == NULL){
puts("'NO VALUE FOUND'");
return;
}
printf("'%s'\n", token->value);
}
int increment_cursor(Cursor* cursor){ int increment_cursor(Cursor* cursor){
if (cursor->offset+1 < 0){ if (cursor->offset+1 < 0){
cursor->offset++; cursor->offset++;
@ -96,7 +167,7 @@ TokenType token_by_name(const char name[HTML_BALISE_LEN]){
return DONT_CARE; return DONT_CARE;
} }
void create_text_token(Token* token, char* cursor){ Token* create_text_token(Token* token, char* cursor){
int i = 0; int i = 0;
do { do {
@ -109,9 +180,11 @@ void create_text_token(Token* token, char* cursor){
token->type = TEXT; token->type = TEXT;
token->value = "TODO"; token->value = "TODO";
token->len = i; token->len = i;
return token;
} }
void create_balise_token(Token* token, char* cursor){ Token* create_balise_token(Token* token, char* cursor){
char balise[HTML_BALISE_LEN] = {0}; char balise[HTML_BALISE_LEN] = {0};
int len = 0; int len = 0;
@ -132,6 +205,8 @@ void create_balise_token(Token* token, char* cursor){
do { do {
cursor = nextchar(); cursor = nextchar();
} while (*cursor != '>'); } while (*cursor != '>');
return token;
} }
Token* nexttoken(void){ Token* nexttoken(void){
@ -146,81 +221,10 @@ Token* nexttoken(void){
} }
if (*cursor != '<'){ if (*cursor != '<'){
create_text_token(token, cursor); token = create_text_token(token, cursor);
} else if (*cursor == '<'){ } else if (*cursor == '<'){
create_balise_token(token, cursor); token = create_balise_token(token, cursor);
} }
return token; return token;
} }
void printtoken(Token* token){
if (token == NULL){
puts("NULL TOKEN");
return;
}
switch (token->type) {
case UNDEFINED_TYPE:
printf("UNDEFINED_TYPE: ");
break;
case DONT_CARE:
printf("DONT_CARE: ");
break;
case TEXT:
printf("TEXT: ");
break;
case BODY:
printf("BODY: ");
break;
case END_BODY:
printf("END_BODY: ");
break;
case HTML:
printf("HTML: ");
break;
case END_HTML:
printf("END_HTML: ");
break;
case A:
printf("A: ");
break;
case END_A:
printf("END_A: ");
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("ERROR: UNKNOWN TOKEN: ");
break;
}
if (token->value == NULL){
puts("'NO VALUE FOUND'");
return;
}
printf("'%s'\n", token->value);
}

2
main.c
View File

@ -12,7 +12,7 @@ int main(int argc, char* argv[]){
token = nexttoken(); token = nexttoken();
printtoken(token); printtoken(token);
//evaluate(token); //evaluate(token);
} while (token != NULL && token->type != END_HTML); } while (token != NULL && token->type != END_BODY);
return 0; return 0;
} }