//---
//	CLI interface: for parsing and computation tests on computer
//---

#ifdef TEX_PLATFORM_CLI

#include <TeX/TeX.h>
#include <TeX/structure.h>
#include <TeX/parser.h>

#include <stdio.h>
#include <string.h>

//---
//	Interface functions
//---

/* dpixel() - Set a single pixel */
void dpixel(int x, int y, int color)
{
}

/* dline() - Draw a line */
void dline(int x1, int y1, int x2, int y2, int color)
{
}

/* dsize() - Get the dimensions of a string */
void dsize(char const *str, int *width, int *height)
{
	/* Use fx9860g size standards */
	*width = 6 * strlen(str) - 1;
	*height = 7;
}

/* dtext() - Draw variable-width text */
void dtext(char const *str, int x, int y, int color)
{
}


void test_auto(void)
{
/*	printf("\e[36m<><><>\e[0m \e[1mLexing\e[0m\n\n");

	debug_lex("\\frac{1}{2}vt^2 = \\int_a^{b} f(x) dx");
	printf("\n");
	debug_lex("\\left(\\frac{1}{2}\\right)^{\\frac{n(n+1)}{2}}");
	printf("\n");

	printf("\e[36m<><><>\e[0m \e[1mParsing\e[0m\n\n"); */

	struct TeX_Flow *flow = NULL;

/*	flow = TeX_parse("\\frac{1}{2}vt^2 = \\int_a^{b} f(x) dx");
	if(!flow) puts("parsing error!");
	else TeX_debug_flow(flow, 0);
	TeX_free(flow);
	printf("\n");

	flow = TeX_parse("\\left(\\frac{1}{2}\\right)^{\\frac{n(n+1)}{2}}");
	if(!flow) puts("parsing error!");
	else TeX_debug_flow(flow, 0);
	TeX_free(flow);
	printf("\n"); */

	flow = TeX_parse("\\frac{1}{\\left(\\frac{12}{27}\\right)^2}");
	if(!flow) puts("parsing error!");
	else
	{
		size_flow(flow);
		TeX_debug_flow(flow, 0);
	}
	TeX_free(flow);
	printf("\n");
}

int main(void)
{
	/* Set interface functions */
	TeX_intf_pixel(dpixel);
	TeX_intf_line(dline);
	TeX_intf_size(dsize);
	TeX_intf_text(dtext);

	char formula[80];
	printf("Input a string, or leave empty for auto tests:\n> ");
	fgets(formula, 80, stdin);

	/* Get out the NL */
	formula[strlen(formula) - 1] = 0;

	if(!formula[0])
	{
		test_auto();
		return 0;
	}

	printf("\n\e[36m<><><>\e[0m \e[1mLexing\e[0m\n\n");
	TeX_debug_lex(formula);

	printf("\n\e[36m<><><>\e[0m \e[1mParsing\e[0m\n\n");
	struct TeX_Flow *flow = TeX_parse(formula);
	if(!flow) puts("parsing error!");
	else TeX_debug_flow(flow, 0);
	TeX_free(flow);
	printf("\n");

	return 0;
}

#endif /* TEX_PLATFORM_CLI */