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no get param, still broken

This commit is contained in:
_N3m0 2024-01-03 17:41:19 +01:00
parent 2f51400fef
commit b37d65b10f
2 changed files with 110 additions and 153 deletions
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261
lexer.c
View File

@ -17,65 +17,14 @@ Cursor prev = {
.offset = -2, .offset = -2,
}; };
TokenType token_by_name(const char name[HTML_BALISE_LEN]);
void printtoken(Token* token){ void printtoken(Token* token){
if (token == NULL){ if (token == NULL){
puts("NULL TOKEN"); puts("NULL TOKEN");
return; return;
} }
#if 0
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 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;
}
#endif
printf("%d: ", token->type); printf("%d: ", token->type);
if (token->value == NULL){ if (token->value == NULL){
@ -129,6 +78,112 @@ void go_back(void){
} }
} }
char* getParam(const char* word, int len, char* cursor, int* size){
do {
int succes = 0;
for (int i=0; i<len; i++){
if (word[i] == *cursor){
cursor = nextchar();
} else {
succes = -1;
break;
}
}
if (succes != -1){
printf("get %s param: ", word);
*size = 0;
cursor = nextchar();
do {
printf("%c", *cursor);
(*size)++;
} while (*cursor != '"');
printf(".\n");
}
cursor = nextchar();
} while (*cursor != '>');
return NULL;
}
Token* create_text_token(Token* token, char* cursor){
int i = 0;
do {
cursor = nextchar();
i++;
} while (*cursor != '<');
go_back();
token = malloc(sizeof(Token));
token->type = TEXT;
token->value = "TODO";
token->len = i;
return token;
}
Token* create_balise_token(Token* token, char* cursor){
char balise[HTML_BALISE_LEN] = {0};
int len = 0;
cursor = nextchar();
while (*cursor != '>' && *cursor != ' ' && *cursor != '\n' && *cursor != '\t' && len < HTML_BALISE_LEN){
balise[len] = *cursor;
len++;
cursor = nextchar();
}
token = malloc(sizeof(Token));
token->type = token_by_name(balise);
token->len = len;
token->value = NULL;
go_back();
/*
if (token->type == A){
token->value = getParam("href", sizeof("href"), cursor, &token->len);
} else if (token->type == IMG){
/*
int len, srclen, altlen;
char* src = getParam("src", sizeof("src"), cursor, &srclen);
char* alt = getParam("alt", sizeof("alt"), cursor, &altlen);
len = srclen + altlen;
token->value = malloc(sizeof(char) * (len + 1));
strncat(token->value, src, srclen);
strncpy(token->value + srclen + 1, alt, altlen);
*/
//}
//go_back();
do {
cursor = nextchar();
} while (*cursor != '>');
return token;
}
Token* nexttoken(void){
Token* token = NULL;
static char* cursor = NULL;
cursor = nextchar();
if (cursor == NULL) return NULL;
while (*cursor == '\0' || *cursor == ' ' || *cursor == '\n' || *cursor == '\t'){
cursor = nextchar();
}
if (*cursor != '<'){
token = create_text_token(token, cursor);
} else if (*cursor == '<'){
token = create_balise_token(token, cursor);
}
return token;
}
TokenType token_by_name(const char name[HTML_BALISE_LEN]){ TokenType token_by_name(const char name[HTML_BALISE_LEN]){
if (name == NULL){ if (name == NULL){
return UNDEFINED_TYPE; return UNDEFINED_TYPE;
@ -226,103 +281,3 @@ TokenType token_by_name(const char name[HTML_BALISE_LEN]){
return DONT_CARE; return DONT_CARE;
} }
char* getParam(const char* word, int len, char* cursor, int* size){
do {
int succes = 0;
for (int i=0; i<len; i++){
if (word[i] == *cursor){
cursor = nextchar();
} else {
succes = -1;
break;
}
}
if (succes != -1){
printf("get %s param: ", word);
*size = 0;
cursor = nextchar();
do {
printf("%c", *cursor);
(*size)++;
} while (*cursor != '"');
printf(".\n");
}
} while (*cursor != '>');
return NULL;
}
Token* create_text_token(Token* token, char* cursor){
int i = 0;
do {
cursor = nextchar();
i++;
} while (*cursor != '<');
go_back();
token = malloc(sizeof(Token));
token->type = TEXT;
token->value = "TODO";
token->len = i;
return token;
}
Token* create_balise_token(Token* token, char* cursor){
char balise[HTML_BALISE_LEN] = {0};
int len = 0;
cursor = nextchar();
while (*cursor != '>' && *cursor != ' ' && *cursor != '\n' && *cursor != '\t' && len < HTML_BALISE_LEN){
balise[len] = *cursor;
len++;
cursor = nextchar();
}
token = malloc(sizeof(Token));
token->type = token_by_name(balise);
token->len = len;
token->value = NULL;
go_back();
if (token->type == A){
token->value = getParam("href", sizeof("href"), cursor, &token->len);
} else if (token->type == IMG){
int len, srclen, altlen;
char* src = getParam("src", sizeof("src"), cursor, &srclen);
char* alt = getParam("alt", sizeof("alt"), cursor, &altlen);
len = srclen + altlen;
token->value = malloc(sizeof(char) * (len + 1));
strncat(token->value, src, srclen);
strncpy(token->value + srclen + 1, alt, altlen);
}
do {
cursor = nextchar();
} while (*cursor != '>');
return token;
}
Token* nexttoken(void){
Token* token = NULL;
static char* cursor = NULL;
cursor = nextchar();
if (cursor == NULL) return NULL;
while (*cursor == '\0' || *cursor == ' ' || *cursor == '\n' || *cursor == '\t'){
cursor = nextchar();
}
if (*cursor != '<'){
token = create_text_token(token, cursor);
} else if (*cursor == '<'){
token = create_balise_token(token, cursor);
}
return token;
}

2
main.c
View File

@ -7,6 +7,8 @@ int main(int argc, char* argv[]){
getUserConfig(argc, argv); getUserConfig(argc, argv);
getPage(); getPage();
printPage();
Token* token = NULL; Token* token = NULL;
do { do {
token = nexttoken(); token = nexttoken();