/itexToMML

/*             itex2MML 1.3.3

 *   itex2MML.cc last modified 11/21/2007

 */

#include <cstdio>

#include <string>

#include "itex2MML.h"

int main (int argc, char ** argv)

{

	bool bPrintItex = false;

	bool bRawFilter = false;

	bool bInline    = false;

	bool bDisplay   = false;

	bool bStop = false;

	bool bForbidMarkup = false;

	for (int arg = 1; arg < argc; arg++)

		{

			std::string args = argv[arg];

			if (args == "--version" || args == "-v")

				{

					fputs("itex2MML version " ITEX2MML_VERSION "\n"

					      "See http://golem.ph.utexas.edu/~distler/blog/itex2MML.html for more information.\n", stdout);

					bStop = true;

					break;

				}

			if (args == "--help" || args == "-h")

				{

					fputs ("usage: itex2MML [OPTIONS]\n"

						   "\n"

						   "itex2MML filters an input text stream (e.g., an XHTML web page) converting itex expressions\n"

						   "to MathML. Inline itex expressions are delimited either side by single dollar symbols ($):\n"

						   "\n"

						   "\t<p>The parameters $\\alpha$ and $\\beta$ in the function $f(x)$ are defined below.</p>\n"

						   "\n"

						   "For normal display of equations, etc., itex expressions can be delimited with double dollar\n"

						   "symbols ($$) either side or by \\[ to the left and \\] to the right:\n"

						   "\n"

						   "\t<p class=\"equation\">\\[\n"

						   "\t\tf(x) = \\alpha x + \\frac{\\beta}{1+|x|}\n"

						   "\t\\]</p>\n"

						   "\n"

						   "itex2MML Options:\n"

						   "\n"

						   "  --raw-filter    filter input stream, converting equations as found to MathML [stops on error]\n"

						   "  --inline        converts a single itex equation, without any $ symbols, to inline MathML\n"

						   "  --display       converts a single itex equation, without any $ symbols, to display-mode MathML\n"

						   "  --forbid-markup forbid markup (more precisely, the '<' and '>' characters) in itex equations\n"

						   "  --print-itex    used in conjuction with --inline or --display: prints the itex string\n"

						   "\n"

						   "For further information, see http://golem.ph.utexas.edu/~distler/blog/itex2MML.html\n", stdout);

					bStop = true;

					break;

				}

			if (args == "--print-itex")

				{

					bPrintItex = true;

					bRawFilter = false;

					continue;

				}

			if (args == "--forbid-markup")

				{

					bRawFilter = false;

					bForbidMarkup = true;

					continue;

				}

			if (args == "--inline")

				{

					bRawFilter = false;

					bInline    = true;

					bDisplay   = false;

					continue;

				}

			if (args == "--display")

				{

					bRawFilter = false;

					bInline    = false;

					bDisplay   = true;

					continue;

				}

			if (args == "--raw-filter")

				{

					bRawFilter = true;

					bPrintItex = false;

					bInline    = false;

					bDisplay   = false;

					continue;

				}

		}

	if (bStop) return 0;

	std::string itex;

	if (bInline)  itex += "$";

	if (bDisplay) itex += "$$";

#define BUFSIZE 1024

	char buffer[BUFSIZE];

	while (fgets (buffer, BUFSIZE, stdin)) itex += buffer;

	if (bInline)  itex += "$";

	if (bDisplay) itex += "$$";

	if (bPrintItex)

		{

			fputs (itex.c_str (), stdout);

			fputs ("\n", stdout);

			fflush (stdout);

		}

	if (!bInline && !bDisplay)

		{

			if (bRawFilter)

				itex2MML_filter (itex.c_str(), itex.size());

			else

				if (bForbidMarkup)

					itex2MML_strict_html_filter (itex.c_str(), itex.size());

				else

					itex2MML_html_filter (itex.c_str(), itex.size());

			return 0;

		}

	char * mathml = itex2MML_parse (itex.c_str(), itex.size());

	if (mathml)

		{

			fputs (mathml, stdout);

			fputs ("\n", stdout);

			itex2MML_free_string (mathml);

			mathml = 0;

		}

	else

		{

			fputs ("itex2MML: itex parser failed to generate MathML from itex!\n", stderr);

		}

	return 0;

}