struct memorycontainer* appendLetWithOperatorStatement(char * identifier, struct memorycontainer* expressionContainer, unsigned char operator) {
unsigned char token=0;
if (operator == 0) {
token=ADD_TOKEN;
} else if (operator == 1) {
token=SUB_TOKEN;
} else if (operator == 2) {
token=MUL_TOKEN;
} else if (operator == 3 || operator == 6) {
token=DIV_TOKEN;
} else if (operator == 4) {
token=MOD_TOKEN;
} else if (operator == 5) {
token=POW_TOKEN;
} else {
fprintf(stderr, "Can not find operator with id of %c\n", operator);
}
struct memorycontainer* rhs=createExpression(token, createIdentifierExpression(identifier), expressionContainer);
if (operator == 6) {
// Floor
struct memorycontainer* mathCommand=createIntegerExpression(FLOOR_MATHS_OP);
struct stack_t * argStack=getNewStack();
pushExpression(argStack, mathCommand);
pushExpression(argStack, rhs);
rhs=appendNativeCallFunctionStatement(NATIVE_RTL_MATH_STR, argStack, NULL);
}
return appendLetStatement(identifier, rhs);
}
struct memorycontainer* createFloorDivExpression(struct memorycontainer* expression1, struct memorycontainer* expression2) {
struct memorycontainer* divExpr=createExpression(DIV_TOKEN, expression1, expression2);
struct memorycontainer* mathCommand=createIntegerExpression(FLOOR_MATHS_OP);
struct stack_t * argStack=getNewStack();
pushExpression(argStack, mathCommand);
pushExpression(argStack, divExpr);
divExpr=appendNativeCallFunctionStatement(NATIVE_RTL_MATH_STR, argStack, NULL);
return divExpr;
}
/**
* Parse HTML page
*/
char* ParseHtml(char* html) {
char* story = (char *) malloc(sizeof(char));
Stack* stack = getNewStack();
// Prime remainder of algorithm
char* content = strsep(&html, "<");
if (content) {
// Chew threw first tag contents
char* properties = strsep(&html, ">");
properties[strlen(properties)] = 0;
properties = trimWhiteSpace(properties);
while(properties) {
// False if the tag is not properly formatted
if (!processTag(properties, stack)) {
// Free story and return error message
free(story);
return "Story not parsed correctly. Sorry :(\n";
}
// Find content
content = strsep(&html, "<");
content[strlen(content)] = 0;
content = trimWhiteSpace(content);
// Allocate space for content
story = realloc(story, strlen(story) + strlen(content) + 1);
if (!story) {
printf("ERROR : Error reallocating memory\n");
return NULL;
}
// Concatenate the two together and null terminate the string
// content = trimWhiteSpace(content);
strcat(story, content);
story[strlen(story)] = '\0';
// Get properties of next tag
properties = strsep(&html, ">");
}
}
return story;
}