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#
# Copyright 2011-2022 Branimir Karadzic. All rights reserved.
# License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
#

SILENT?=@

THISDIR:=$(dir $(lastword $(MAKEFILE_LIST)))

UNAME:=$(shell uname)
ifeq ($(UNAME),$(filter Linux Darwin MINGW%,$(UNAME)))
CMD_MKDIR=mkdir -p "$(1)"
CMD_RMDIR=rm -r "$(1)"
ifeq ($(UNAME),$(filter Darwin,$(UNAME)))
OS=darwin
else ifeq ($(UNAME),$(filter MINGW%,$(UNAME)))
OS=windows
else
OS=linux
endif
else
CMD_MKDIR=cmd /C "if not exist "$(subst /,\,$(1))" mkdir "$(subst /,\,$(1))""
CMD_RMDIR=cmd /C "if exist "$(subst /,\,$(1))" rmdir /S /Q "$(subst /,\,$(1))""
OS=windows
endif

SHADERC:="$(THISDIR)../tools/bin/$(OS)/shaderc"
GEOMETRYC:="$(THISDIR)../tools/bin/$(OS)/geometryc"
TEXTUREC:="$(THISDIR)../tools/bin/$(OS)/texturec"
' href='#n291'>291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903
// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************

    MAME source code to HTML converter

****************************************************************************

    Template file format:

    <html header>
    <!--PATH--> = insert path
    <!--CONTENT--> = insert content
    <html footer>

***************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "osdcore.h"
#include "astring.h"
#include "corefile.h"


/***************************************************************************
    CONSTANTS & DEFINES
***************************************************************************/

#define PREPROC_CLASS       "preproc"
#define KEYWORD_CLASS       "keyword"
#define CUSTOM_CLASS        "custom"



/***************************************************************************
    TYPE DEFINITIONS
***************************************************************************/

enum file_type
{
	FILE_TYPE_INVALID,
	FILE_TYPE_C,
	FILE_TYPE_MAKE,
	FILE_TYPE_XML,
	FILE_TYPE_TEXT
};


struct ext_to_type
{
	const char *    extension;
	file_type       type;
};


struct token_entry
{
	const char *    token;
	const char *    color;
};


struct include_path
{
	include_path *  next;
	astring         path;
};


struct list_entry
{
	list_entry *    next;
	astring         name;
};



/***************************************************************************
    GLOBAL VARIABLES
***************************************************************************/

static include_path *incpaths;

static const ext_to_type extension_lookup[] =
{
	{ ".c", FILE_TYPE_C },
	{ ".h", FILE_TYPE_C },
	{ ".lst", FILE_TYPE_C },
	{ ".mak", FILE_TYPE_MAKE },
	{ "makefile", FILE_TYPE_MAKE },
	{ ".lay", FILE_TYPE_XML },
	{ ".xml", FILE_TYPE_XML },
	{ ".txt", FILE_TYPE_TEXT },
};


static const token_entry dummy_token_table[] =
{
	{ NULL, KEYWORD_CLASS }
};


static const token_entry c_token_table[] =
{
	{ "#define", PREPROC_CLASS },
	{ "#elif", PREPROC_CLASS },
	{ "#else", PREPROC_CLASS },
	{ "#endif", PREPROC_CLASS },
	{ "#error", PREPROC_CLASS },
	{ "#if", PREPROC_CLASS },
	{ "#ifdef", PREPROC_CLASS },
	{ "#ifndef", PREPROC_CLASS },
	{ "#include", PREPROC_CLASS },
	{ "#line", PREPROC_CLASS },
	{ "#pragma", PREPROC_CLASS },
	{ "#undef", PREPROC_CLASS },

	{ "auto", KEYWORD_CLASS },
	{ "bool", KEYWORD_CLASS },
	{ "break", KEYWORD_CLASS },
	{ "case", KEYWORD_CLASS },
	{ "catch", KEYWORD_CLASS },
	{ "char", KEYWORD_CLASS },
	{ "class", KEYWORD_CLASS },
	{ "const", KEYWORD_CLASS },
	{ "const_cast", KEYWORD_CLASS },
	{ "continue", KEYWORD_CLASS },
	{ "default", KEYWORD_CLASS },
	{ "delete", KEYWORD_CLASS },
	{ "do", KEYWORD_CLASS },
	{ "double", KEYWORD_CLASS },
	{ "dynamic_cast", KEYWORD_CLASS },
	{ "else", KEYWORD_CLASS },
	{ "enum", KEYWORD_CLASS },
	{ "explicit", KEYWORD_CLASS },
	{ "export", KEYWORD_CLASS },
	{ "extern", KEYWORD_CLASS },
	{ "false", KEYWORD_CLASS },
	{ "float", KEYWORD_CLASS },
	{ "for", KEYWORD_CLASS },
	{ "friend", KEYWORD_CLASS },
	{ "goto", KEYWORD_CLASS },
	{ "if", KEYWORD_CLASS },
	{ "inline", KEYWORD_CLASS },
	{ "int", KEYWORD_CLASS },
	{ "long", KEYWORD_CLASS },
	{ "mutable", KEYWORD_CLASS },
	{ "namespace", KEYWORD_CLASS },
	{ "new", KEYWORD_CLASS },
	{ "operator", KEYWORD_CLASS },
	{ "private", KEYWORD_CLASS },
	{ "protected", KEYWORD_CLASS },
	{ "public", KEYWORD_CLASS },
	{ "register", KEYWORD_CLASS },
	{ "reinterpret_cast", KEYWORD_CLASS },
	{ "return", KEYWORD_CLASS },
	{ "short", KEYWORD_CLASS },
	{ "signed", KEYWORD_CLASS },
	{ "sizeof", KEYWORD_CLASS },
	{ "static", KEYWORD_CLASS },
	{ "static_cast", KEYWORD_CLASS },
	{ "struct", KEYWORD_CLASS },
	{ "switch", KEYWORD_CLASS },
	{ "template", KEYWORD_CLASS },
	{ "this", KEYWORD_CLASS },
	{ "throw", KEYWORD_CLASS },
	{ "true", KEYWORD_CLASS },
	{ "try", KEYWORD_CLASS },
	{ "typedef", KEYWORD_CLASS },
	{ "typeid", KEYWORD_CLASS },
	{ "typename", KEYWORD_CLASS },
	{ "union", KEYWORD_CLASS },
	{ "unsigned", KEYWORD_CLASS },
	{ "virtual", KEYWORD_CLASS },
	{ "void", KEYWORD_CLASS },
	{ "volatile", KEYWORD_CLASS },
	{ "wchar_t", KEYWORD_CLASS },
	{ "while", KEYWORD_CLASS },

/*
    { "INLINE", CUSTOM_CLASS },
    { "INT8", CUSTOM_CLASS },
    { "UINT8", CUSTOM_CLASS },
    { "INT16", CUSTOM_CLASS },
    { "UINT16", CUSTOM_CLASS },
    { "INT32", CUSTOM_CLASS },
    { "UINT32", CUSTOM_CLASS },
    { "INT64", CUSTOM_CLASS },
    { "UINT64", CUSTOM_CLASS },
    { "ARRAY_LENGTH", CUSTOM_CLASS },
*/
	{ NULL, KEYWORD_CLASS }
};



/***************************************************************************
    PROTOTYPES
***************************************************************************/

// core output functions
static int recurse_dir(int srcrootlen, int dstrootlen, astring &srcdir, astring &dstdir, astring &tempheader, astring &tempfooter);
static int output_file(file_type type, int srcrootlen, int dstrootlen, astring &srcfile, astring &dstfile, bool link_to_file, astring &tempheader, astring &tempfooter);

// HTML helpers
static core_file *create_file_and_output_header(astring &filename, astring &templatefile, astring &path);
static void output_footer_and_close_file(core_file *file, astring &templatefile, astring &path);

// path helpers
static astring &normalized_subpath(astring &dest, astring &path, int start);
static void output_path_as_links(core_file *file, astring &path, bool end_is_directory, bool link_to_file);
static bool find_include_file(astring &srcincpath, int srcrootlen, int dstrootlen, astring &srcfile, astring &dstfile, astring &filename);



/***************************************************************************
    MAIN
***************************************************************************/

/*-------------------------------------------------
    main - main entry point
-------------------------------------------------*/

void usage(const char *argv0)
{
	fprintf(stderr, "Usage:\n%s <srcroot> <destroot> <template.html> [-Iincpath [-Iincpath [...]]]\n", argv0);
	exit(1);
}

int main(int argc, char *argv[])
{
	// loop over arguments
	include_path **incpathhead = &incpaths;
	astring srcdir, dstdir, tempfilename, tempheader, tempfooter;
	int unadorned = 0;
	for (int argnum = 1; argnum < argc; argnum++)
	{
		char *arg = argv[argnum];

		// include path?
		if (arg[0] == '-' && arg[1] == 'I')
		{
			*incpathhead = new include_path;
			if (*incpathhead != NULL)
			{
				(*incpathhead)->next = NULL;
				(*incpathhead)->path.cpy(&arg[2]).replacechr('/', PATH_SEPARATOR[0]);
				incpathhead = &(*incpathhead)->next;
			}
		}

		// other parameter
		else if (arg[0] != '-' && unadorned == 0)
		{
			srcdir.cpy(arg);
			unadorned++;
		}
		else if (arg[0] != '-' && unadorned == 1)
		{
			dstdir.cpy(arg);
			unadorned++;
		}
		else if (arg[0] != '-' && unadorned == 2)
		{
			tempfilename.cpy(arg);
			unadorned++;
		}
		else
			usage(argv[0]);
	}

	// make sure we got 3 parameters
	if (srcdir.len() == 0 || dstdir.len() == 0 || tempfilename.len() == 0)
		usage(argv[0]);

	// read the template file into an astring
	UINT32 bufsize;
	void *buffer;
	if (core_fload(tempfilename, &buffer, &bufsize) == FILERR_NONE)
	{
		tempheader.cpy((const char *)buffer, bufsize);
		osd_free(buffer);
	}

	// verify the template
	if (tempheader.len() == 0)
	{
		fprintf(stderr, "Unable to read template file\n");
		return 1;
	}
	int result = tempheader.find(0, "<!--CONTENT-->");
	if (result == -1)
	{
		fprintf(stderr, "Template is missing a <!--CONTENT--> marker\n");
		return 1;
	}
	tempfooter.cpy(tempheader).substr(result + 14, -1);
	tempheader.substr(0, result);

	// recurse over subdirectories
	return recurse_dir(srcdir.len(), dstdir.len(), srcdir, dstdir, tempheader, tempfooter);
}



/***************************************************************************
    CORE OUTPUT FUNCTIONS
***************************************************************************/

static int compare_list_entries(const void *p1, const void *p2)
{
	const list_entry *entry1 = *(const list_entry **)p1;
	const list_entry *entry2 = *(const list_entry **)p2;
	return entry1->name.cmp(entry2->name);
}


/*-------------------------------------------------
    recurse_dir - recurse through a directory
-------------------------------------------------*/

static int recurse_dir(int srcrootlen, int dstrootlen, astring &srcdir, astring &dstdir, astring &tempheader, astring &tempfooter)
{
	static const osd_dir_entry_type typelist[] = { ENTTYPE_DIR, ENTTYPE_FILE };

	// extract a normalized subpath
	astring srcdir_subpath;
	normalized_subpath(srcdir_subpath, srcdir, srcrootlen + 1);

	// create an index file
	astring indexname;
	indexname.printf("%s%c%s", dstdir.cstr(), PATH_SEPARATOR[0], "index.html");
	core_file *indexfile = create_file_and_output_header(indexname, tempheader, srcdir_subpath);

	// output the directory navigation
	core_fprintf(indexfile, "<h3>Viewing Directory: ");
	output_path_as_links(indexfile, srcdir_subpath, true, false);
	core_fprintf(indexfile, "</h3>");

	// iterate first over directories, then over files
	int result = 0;
	for (int entindex = 0; entindex < ARRAY_LENGTH(typelist) && result == 0; entindex++)
	{
		osd_dir_entry_type entry_type = typelist[entindex];

		// open the directory and iterate through it
		osd_directory *dir = osd_opendir(srcdir);
		if (dir == NULL)
		{
			result = 1;
			break;
		}

		// build up the list of files
		const osd_directory_entry *entry;
		int found = 0;
		list_entry *list = NULL;
		while ((entry = osd_readdir(dir)) != NULL)
			if (entry->type == entry_type && entry->name[0] != '.')
			{
				list_entry *lentry = new list_entry;
				lentry->name.cpy(entry->name);
				lentry->next = list;
				list = lentry;
				found++;
			}

		// close the directory
		osd_closedir(dir);

		// skip if nothing found
		if (found == 0)
			continue;

		// allocate memory for sorting
		list_entry **listarray = new list_entry *[found];
		found = 0;
		for (list_entry *curlist = list; curlist != NULL; curlist = curlist->next)
			listarray[found++] = curlist;

		// sort the list
		qsort(listarray, found, sizeof(listarray[0]), compare_list_entries);

		// rebuild the list
		list = NULL;
		while (--found >= 0)
		{
			listarray[found]->next = list;
			list = listarray[found];
		}
		delete[] listarray;

		// iterate through each file
		for (list_entry *curlist = list; curlist != NULL && result == 0; curlist = curlist->next)
		{
			// add a header
			if (curlist == list)
				core_fprintf(indexfile, "\t<h2>%s</h2>\n\t<ul>\n", (entry_type == ENTTYPE_DIR) ? "Directories" : "Files");

			// build the source filename
			astring srcfile;
			srcfile.printf("%s%c%s", srcdir.cstr(), PATH_SEPARATOR[0], curlist->name.cstr());

			// if we have a file, output it
			astring dstfile;
			if (entry_type == ENTTYPE_FILE)
			{
				// make sure we care, first
				file_type type = FILE_TYPE_INVALID;
				for (int extnum = 0; extnum < ARRAY_LENGTH(extension_lookup); extnum++)
					if (core_filename_ends_with(curlist->name, extension_lookup[extnum].extension))
					{
						type = extension_lookup[extnum].type;
						break;
					}

				// if we got a valid file, process it
				if (type != FILE_TYPE_INVALID)
				{
					dstfile.printf("%s%c%s.html", dstdir.cstr(), PATH_SEPARATOR[0], curlist->name.cstr());
					if (indexfile != NULL)
						core_fprintf(indexfile, "\t<li><a href=\"%s.html\">%s</a></li>\n", curlist->name.cstr(), curlist->name.cstr());
					result = output_file(type, srcrootlen, dstrootlen, srcfile, dstfile, srcdir == dstdir, tempheader, tempfooter);
				}
			}

			// if we have a directory, recurse
			else
			{
				dstfile.printf("%s%c%s", dstdir.cstr(), PATH_SEPARATOR[0], curlist->name.cstr());
				if (indexfile != NULL)
					core_fprintf(indexfile, "\t<li><a href=\"%s/index.html\">%s/</a></li>\n", curlist->name.cstr(), curlist->name.cstr());
				result = recurse_dir(srcrootlen, dstrootlen, srcfile, dstfile, tempheader, tempfooter);
			}
		}

		// close the list if we found some stuff
		if (list != NULL)
			core_fprintf(indexfile, "\t</ul>\n");

		// free all the allocated entries
		while (list != NULL)
		{
			list_entry *next = list->next;
			delete list;
			list = next;
		}
	}

	if (indexfile != NULL)
		output_footer_and_close_file(indexfile, tempfooter, srcdir_subpath);
	return result;
}


/*-------------------------------------------------
    output_file - output a file, converting to
    HTML
-------------------------------------------------*/

static int output_file(file_type type, int srcrootlen, int dstrootlen, astring &srcfile, astring &dstfile, bool link_to_file, astring &tempheader, astring &tempfooter)
{
	// extract a normalized subpath
	astring srcfile_subpath;
	normalized_subpath(srcfile_subpath, srcfile, srcrootlen + 1);

	fprintf(stderr, "Processing %s\n", srcfile_subpath.cstr());

	// set some defaults
	bool color_quotes = false;
	const char *comment_start = "";
	const char *comment_start_esc = "";
	const char *comment_end = "";
	const char *comment_end_esc = "";
	const char *comment_inline = "";
	const char *comment_inline_esc = "";
	const char *token_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_#";
	const token_entry *token_table = dummy_token_table;

	// based on the file type, set the comment info
	switch (type)
	{
		case FILE_TYPE_C:
			color_quotes = true;
			comment_start = comment_start_esc = "/*";
			comment_end = comment_end_esc = "*/";
			comment_inline = comment_inline_esc = "//";
			token_table = c_token_table;
			break;

		case FILE_TYPE_MAKE:
			color_quotes = true;
			comment_inline = comment_inline_esc = "#";
			break;

		case FILE_TYPE_XML:
			color_quotes = true;
			comment_start = "<!--";
			comment_start_esc = "&lt;!--";
			comment_end = "-->";
			comment_end_esc = "--&gt;";
			break;

		default:
		case FILE_TYPE_TEXT:
			break;
	}

	// make the token lookup table
	bool is_token[256];
	memset(is_token, 0, sizeof(is_token));
	for (int toknum = 0; token_chars[toknum] != 0; toknum++)
		is_token[(UINT8)token_chars[toknum]] = true;

	// open the source file
	core_file *src;
	if (core_fopen(srcfile, OPEN_FLAG_READ, &src) != FILERR_NONE)
	{
		fprintf(stderr, "Unable to read file '%s'\n", srcfile.cstr());
		return 1;
	}

	// open the output file
	core_file *dst = create_file_and_output_header(dstfile, tempheader, srcfile_subpath);
	if (dst == NULL)
	{
		fprintf(stderr, "Unable to write file '%s'\n", dstfile.cstr());
		core_fclose(src);
		return 1;
	}

	// output the directory navigation
	core_fprintf(dst, "<h3>Viewing File: ");
	output_path_as_links(dst, srcfile_subpath, false, link_to_file);
	core_fprintf(dst, "</h3>");

	// start with some tags
	core_fprintf(dst, "\t<pre class=\"source\">\n");

	// iterate over lines in the source file
	int linenum = 1;
	bool in_comment = false;
	char srcline[4096];
	while (core_fgets(srcline, ARRAY_LENGTH(srcline), src) != NULL)
	{
		// start with the line number
		astring dstline;
		dstline.catprintf("<span class=\"linenum\">%5d</span>&nbsp;&nbsp;", linenum++);

		// iterate over characters in the source line
		bool escape = false;
		bool in_quotes = false;
		bool in_inline_comment = false;
		bool last_token_was_include = false;
		bool last_was_token = false;
		bool quotes_are_linked = false;
		UINT8 curquote = 0;
		int curcol = 0;
		for (char *srcptr = srcline; *srcptr != 0; )
		{
			UINT8 ch = *srcptr++;

			// track whether or not we are within an extended (C-style) comment
			if (!in_quotes && !in_inline_comment)
			{
				if (!in_comment && ch == comment_start[0] && strncmp(srcptr - 1, comment_start, strlen(comment_start)) == 0)
				{
					dstline.catprintf("<span class=\"comment\">%s", comment_start_esc);
					curcol += strlen(comment_start);
					srcptr += strlen(comment_start) - 1;
					ch = 0;
					in_comment = true;
				}
				else if (in_comment && ch == comment_end[0] && strncmp(srcptr - 1, comment_end, strlen(comment_end)) == 0)
				{
					dstline.catprintf("%s</span>", comment_end_esc);
					curcol += strlen(comment_end);
					srcptr += strlen(comment_end) - 1;
					ch = 0;
					in_comment = false;
				}
			}

			// track whether or not we are within an inline (C++-style) comment
			if (!in_quotes && !in_comment && !in_inline_comment && ch == comment_inline[0] && strncmp(srcptr - 1, comment_inline, strlen(comment_inline)) == 0)
			{
				dstline.catprintf("<span class=\"comment\">%s", comment_inline_esc);
				curcol += strlen(comment_inline);
				srcptr += strlen(comment_inline) - 1;
				ch = 0;
				in_inline_comment = true;
			}

			// if this is the start of a new token, see if we want to color it
			if (!in_quotes && !in_comment && !in_inline_comment && !last_was_token && is_token[ch])
			{
				const token_entry *curtoken;
				char *temp = srcptr;
				int toklength;

				// find the end of the token
				while (*temp != 0 && is_token[(UINT8)*temp])
					temp++;
				toklength = temp - (srcptr - 1);

				// scan the token table
				last_token_was_include = false;
				for (curtoken = token_table; curtoken->token != NULL; curtoken++)
					if (strncmp(srcptr - 1, curtoken->token, toklength) == 0 && strlen(curtoken->token) == toklength)
					{
						dstline.catprintf("<span class=\"%s\">%s</span>", curtoken->color, curtoken->token);
						curcol += strlen(curtoken->token);
						srcptr += strlen(curtoken->token) - 1;
						ch = 0;

						// look for include tokens specially
						if (type == FILE_TYPE_C && strcmp(curtoken->token, "#include") == 0)
							last_token_was_include = true;
						break;
					}
			}
			last_was_token = is_token[ch];

			// if we hit a tab, expand it
			if (ch == 0x09)
			{
				// compute how many spaces
				int spaces = 4 - curcol % 4;
				while (spaces--)
				{
					dstline.cat(' ');
					curcol++;
				}
			}

			// otherwise, copy the source character
			else if (ch != 0x0a && ch != 0x0d && ch != 0)
			{
				// track opening quotes
				if (!in_comment && !in_inline_comment && !in_quotes && (ch == '"' || ch == '\''))
				{
					if (color_quotes)
						dstline.catprintf("<span class=\"string\">%c", ch);
					else
						dstline.cat(ch);
					in_quotes = true;
					curquote = ch;

					// handle includes
					if (last_token_was_include)
					{
						char *endquote = strchr(srcptr, ch);
						if (endquote != NULL)
						{
							astring filename(srcptr, endquote - srcptr);
							astring target;
							if (find_include_file(target, srcrootlen, dstrootlen, srcfile, dstfile, filename))
							{
								dstline.catprintf("<a href=\"%s\">", target.cstr());
								quotes_are_linked = true;
							}
						}
					}
				}

				// track closing quotes
				else if (!in_comment && !in_inline_comment && in_quotes && (ch == curquote) && !escape)
				{
					if (quotes_are_linked)
						dstline.catprintf("</a>");
					if (color_quotes)
						dstline.catprintf("%c</span>", ch);
					else
						dstline.cat(ch);
					in_quotes = false;
					curquote = 0;
					quotes_are_linked = false;
				}

				// else just output the current character
				else if (ch == '&')
					dstline.catprintf("&amp;");
				else if (ch == '<')
					dstline.catprintf("&lt;");
				else if (ch == '>')
					dstline.catprintf("&gt;");
				else
					dstline.cat(ch);
				curcol++;
			}

			// Update escape state
			if (in_quotes)
				escape = (ch == '\\' && type == FILE_TYPE_C) ? !escape : false;
		}

		// finish inline comments
		if (in_inline_comment)
		{
			dstline.catprintf("</span>");
			in_inline_comment = false;
		}

		// append a break and move on
		dstline.catprintf("\n");
		core_fputs(dst, dstline);
	}

	// close tags
	core_fprintf(dst, "\t</pre>\n");

	// close the file
	output_footer_and_close_file(dst, tempfooter, srcfile_subpath);
	core_fclose(src);
	return 0;
}



/***************************************************************************
    HTML OUTPUT HELPERS
***************************************************************************/

/*-------------------------------------------------
    create_file_and_output_header - create a new
    HTML file with a standard header
-------------------------------------------------*/

static core_file *create_file_and_output_header(astring &filename, astring &templatefile, astring &path)
{
	// create the indexfile
	core_file *file;
	if (core_fopen(filename, OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS | OPEN_FLAG_NO_BOM, &file) != FILERR_NONE)
		return NULL;

	// print a header
	astring modified(templatefile);
	modified.replace(0, "<!--PATH-->", path.cstr());
	core_fwrite(file, modified.cstr(), modified.len());

	// return the file
	return file;
}


/*-------------------------------------------------
    output_footer_and_close_file - write a
    standard footer to an HTML file and close it
-------------------------------------------------*/

static void output_footer_and_close_file(core_file *file, astring &templatefile, astring &path)
{
	astring modified(templatefile);
	modified.replace(0, "<!--PATH-->", path.cstr());
	core_fwrite(file, modified.cstr(), modified.len());
	core_fclose(file);
}



/***************************************************************************
    HTML OUTPUT HELPERS
***************************************************************************/

/*-------------------------------------------------
    normalized_subpath - normalize a path to
    forward slashes and extract a subpath
-------------------------------------------------*/

static astring &normalized_subpath(astring &dest, astring &path, int start)
{
	return dest.cpysubstr(path, start, -1).replacechr(PATH_SEPARATOR[0], '/');
}


/*-------------------------------------------------
    output_path_as_links - output a path as a
    series of links
-------------------------------------------------*/

static void output_path_as_links(core_file *file, astring &path, bool end_is_directory, bool link_to_file)
{
	// first count how deep we are
	int srcdepth = 0;
	for (int slashindex = path.chr(0, '/'); slashindex != -1; slashindex = path.chr(slashindex + 1, '/'))
		srcdepth++;
	if (end_is_directory)
		srcdepth++;

	// output a link to the root
	core_fprintf(file, "<a href=\"");
	for (int depth = 0; depth < srcdepth; depth++)
		core_fprintf(file, "../");
	core_fprintf(file, "index.html\">&lt;root&gt;</a>/");

	// now output links to each path up the chain
	int curdepth = 0;
	int lastslash = 0;
	for (int slashindex = path.chr(lastslash, '/'); slashindex != -1; slashindex = path.chr(lastslash, '/'))
	{
		astring substr(path, lastslash, slashindex - lastslash);

		curdepth++;
		core_fprintf(file, "<a href=\"");
		for (int depth = curdepth; depth < srcdepth; depth++)
			core_fprintf(file, "../");
		core_fprintf(file, "index.html\">%s</a>/", substr.cstr());

		lastslash = slashindex + 1;
	}

	// and a final link to the current directory
	astring substr(path, lastslash, -1);
	if (end_is_directory)
		core_fprintf(file, "<a href=\"index.html\">%s</a>", substr.cstr());
	else if (link_to_file)
		core_fprintf(file, "<a href=\"%s\">%s</a>", substr.cstr(), substr.cstr());
	else
		core_fprintf(file, "<a href=\"%s.html\">%s</a>", substr.cstr(), substr.cstr());
}


/*-------------------------------------------------
    find_include_file - find an include file
-------------------------------------------------*/

static bool find_include_file(astring &srcincpath, int srcrootlen, int dstrootlen, astring &srcfile, astring &dstfile, astring &filename)
{
	// iterate over include paths and find the file
	for (include_path *curpath = incpaths; curpath != NULL; curpath = curpath->next)
	{
		// a '.' include path is specially treated
		if (curpath->path == ".")
			srcincpath.cpysubstr(srcfile, 0, srcfile.rchr(0, PATH_SEPARATOR[0]));
		else
			srcincpath.cpysubstr(srcfile, 0, srcrootlen + 1).cat(curpath->path);

		// append the filename piecemeal to account for directories
		int lastsepindex = 0;
		int sepindex;
		while ((sepindex = filename.chr(lastsepindex, '/')) != -1)
		{
			// handle .. by removing a chunk from the incpath
			astring pathpart(filename, lastsepindex, sepindex - lastsepindex);
			if (pathpart == "..")
			{
				sepindex = srcincpath.rchr(0, PATH_SEPARATOR[0]);
				if (sepindex != -1)
					srcincpath.substr(0, sepindex);
			}

			// otherwise, append a path separator and the pathpart
			else
				srcincpath.cat(PATH_SEPARATOR).cat(pathpart);

			// advance past the previous index
			lastsepindex = sepindex + 1;
		}

		// now append the filename
		srcincpath.cat(PATH_SEPARATOR).catsubstr(filename, lastsepindex, -1);

		// see if we can open it
		core_file *testfile;
		if (core_fopen(srcincpath, OPEN_FLAG_READ, &testfile) == FILERR_NONE)
		{
			// close the file
			core_fclose(testfile);

			// find the longest matching directory substring between the include and source file
			lastsepindex = 0;
			while ((sepindex = srcincpath.chr(lastsepindex, PATH_SEPARATOR[0])) != -1)
			{
				// get substrings up to the current directory
				astring tempfile(srcfile, 0, sepindex);
				astring tempinc(srcincpath, 0, sepindex);

				// if we don't match, stop
				if (tempfile != tempinc)
					break;
				lastsepindex = sepindex + 1;
			}

			// chop off the common parts of the paths
			astring tempfile(srcfile, lastsepindex, -1);
			srcincpath.substr(lastsepindex, -1).replacechr(PATH_SEPARATOR[0], '/');

			// for each directory left in the filename, we need to prepend a "../"
			while ((sepindex = tempfile.chr(0, PATH_SEPARATOR[0])) != -1)
			{
				tempfile.substr(sepindex + 1, -1);
				srcincpath.ins(0, "../");
			}
			srcincpath.cat(".html");

			// free the strings and return the include path
			return true;
		}
	}
	return false;
}