/*
Copyright (c) 2005 X.Org Foundation LLC

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
/*
*
* Copyright (c) Applied Testing and Technology, Inc. 1995
* All Rights Reserved.
*
* Project: VSW5
*
* File: src/bin/mc/sections.c
*
* Description:
*       misc routines for mc utilities
*
* Modifications:
* $Log: sections.c,v $
* Revision 1.1  2005-02-12 14:37:14  anderson
* Initial revision
*
* Revision 8.0  1998/12/23 23:24:17  mar
* Branch point for Release 5.0.2
*
* Revision 7.0  1998/10/30 22:42:26  mar
* Branch point for Release 5.0.2b1
*
* Revision 6.0  1998/03/02 05:16:43  tbr
* Branch point for Release 5.0.1
*
* Revision 5.0  1998/01/26 03:13:15  tbr
* Branch point for Release 5.0.1b1
*
* Revision 4.1  1997/01/22 22:14:29  andy
* Xt6 section now flagged as not needing Athena
*
* Revision 4.0  1995/12/15  08:41:26  tbr
* Branch point for Release 5.0.0
*
* Revision 3.2  1995/12/15  00:38:17  andy
* Prepare for GA Release
*
*/

/*
Portions of this software are based on Xlib and X Protocol Test Suite.
We have used this material under the terms of its copyright, which grants
free use, subject to the conditions below.  Note however that those
portions of this software that are based on the original Test Suite have
been significantly revised and that all such revisions are copyright (c)
1995 Applied Testing and Technology, Inc.  Insomuch as the proprietary
revisions cannot be separated from the freely copyable material, the net
result is that use of this software is governed by the ApTest copyright.

Copyright (c) 1990, 1991  X Consortium

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.

Copyright 1990, 1991 by UniSoft Group Limited.

Permission to use, copy, modify, distribute, and sell this software and
its documentation for any purpose is hereby granted without fee,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of UniSoft not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.  UniSoft
makes no representations about the suitability of this software for any
purpose.  It is provided "as is" without express or implied warranty.
*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include	<stdlib.h>
#include	<stdio.h>
#include	<ctype.h>
#include	"string.h"

#include	"mc.h"

extern	int 	Cmdname;
extern	struct	state	State;
extern	struct	settings Settings;

extern	int 	mflag;

/*
 * What needs to be defaulted.  Note that it is sort of assumed that
 * code follows strategy even though this is not tested at present.
 */
#define	NEED_STRAT	0x1
#define	NEED_CODE	0x2

#if 0
/* Template for sections */
	,		/* copyright */
	,		/* header */
	,		/* assertion */
	,		/* defassertion */
	,		/* strategy */
	,		/* code */
	,		/* extern code */
	,		/* extra files */
	,		/* make files */
#endif
#if 0
/* Template for hooks */
	,		/* start */
	,		/* end */
	,		/* include start hook */
	,		/* include end hook */
	,		/* set hook */
	,		/* comment hook */
#endif

void	(*secsw[][NSEC])() = {
	{	/* mexpand */
	mepcopyright,		/* copyright */
	mepecho,		/* header */
	mepecho,		/* assertion */
	mepecho,		/* defassertion */
	mepecho,		/* strategy */
	mepecho,		/* code */
	mepecho,		/* extern code */
	mepecho,		/* make lines */
	mepecho,		/* make files */
	skip,
	},
	{	/* mc */
	mccopyright,	/* copyright */
	mcheader,		/* header */
	mcassertion,		/* assertion */
	mcdefassertion,		/* defassertion */
	mcstrategy,		/* strategy */
	mccode,			/* code */
	mcexterncode,		/* extern code */
	skip,			/* extra files */
	skip,			/* make files */
	skip,
	},
	{	/* mmkf */
	mmcopyright,		/* copyright */
	mmheader,		/* header */
	skip,		/* assertion */
	skip,		/* defassertion */
	skip,		/* strategy */
	skip,		/* code */
	skip,		/* extern code */
	mmcfiles,		/* extra files */
	mmmake,		/* make section */
	skip,
	},
	{	/* ma */
	macopyright,		/* copyright */
	maheader,		/* header */
	maassertion,		/* assertion */
	madefassertion,		/* defassertion */
	skip,		/* strategy */
	skip,		/* code */
	skip,		/* extern code */
	skip,		/* extra files */
	skip,		/* make files */
	skip,
	},
	{	/* mas */
	mascopyright,		/* copyright */
	masheader,		/* header */
	masassertion,		/* assertion */
	masassertion,		/* defassertion */
	masstrategy,		/* strategy */
	skip,		/* code */
	skip,		/* extern code */
	skip,		/* extra files */
	skip,		/* make files */
	skip,
	},
};

void	(*hooksw[][NHOOK])() = {
	{
	mepstart,	/* start */
	mepend,		/* end */
	0,		/* include start hook */
	0,		/* include end hook */
	mepset,		/* set hook */
	mepcomment,	/* comment hook */
	},
	{
	mcstart,		/* start */
	mcend,			/* end */
	mcincstart,		/* include start hook */
	mcincend,		/* include end hook */
	0,			/* set hook */
	0,			/* comment hook */
	},
	{
	mmstart,		/* start */
	mmend,		/* end */
	mmincstart,		/* include start hook */
	0,		/* include end hook */
	0,		/* set hook */
	0,		/* comment hook */
	},
	{
	mastart,		/* start */
	maend,		/* end */
	0,		/* include start hook */
	0,		/* include end hook */
	0,		/* set hook */
	macomment,		/* comment hook */
	},
	{
	masstart,		/* start */
	masend,		/* end */
	0,		/* include start hook */
	0,		/* include end hook */
	0,		/* set hook */
	0,		/* comment hook */
	},
};

#define	NCMDS	(sizeof(secsw)/(NSEC*sizeof(void (*)())))

struct	secname {
	char	*name;
	int 	sec;
} secname[] = {
	{D_HEADER, SEC_HEADER},
	{D_ASSERTION, SEC_ASSERTION},
	{D_STRATEGY, SEC_STRATEGY},
	{D_CODE, SEC_CODE},
	{D_EXTERN, SEC_EXTERNCODE},
	{D_CFILE, SEC_FILE},
	{D_MAKE, SEC_MAKE},
	{D_AVSCODE, SEC_AVSCODE},
};

/*
 * Loop through all sections and branch out to the appropriate strategy
 * routines.
 */
dosections(fp, buf)
FILE	*fp;
char	*buf;
{
struct	secname	*sp;
int 	sec;

	if (State.skipsec == 0)
		do1sec(fp, buf, SEC_COPYRIGHT);

	while (State.skipsec > 0) {
		State.skipsec--;
		skip(fp, buf);
	}

	while (!feof(fp)) {

		sec = -1;
		for (sp = secname; sp < secname+NELEM(secname); sp++) {
			if (strncmp(buf, sp->name, strlen(sp->name)) == 0) {
				sec = sp->sec;
				break;
			}
		}

		if (sec == -1) {
			if (strncmp(buf, D_INCLUDE, strlen(D_INCLUDE)) == 0) {
				includefile(buf+strlen(D_INCLUDE), buf);
				newline(fp, buf);
				continue;
			} else {
				err("Bad directive\n");
				errexit();
			}
		}

		/* XXX Temp because of the push-back line problem */
		State.sectype = sec;

		if (sec == SEC_ASSERTION) {
			assertion(fp, buf);
		} else {
			do1sec(fp, buf, sec);
		}
		if (State.abortafter > 0) {
			if (--State.abortafter == 0)
				break;
		}
	}
}

/*
 * Do an assertion.  There are three types of assertion regular, def
 * and gc.  The gc type are sorted out by gccomps the others
 * branch to their own strategies.
 */
assertion(fp, buf)
FILE	*fp;
char	*buf;
{
char	*line;
char	*str;
char	*type;
int 	reason;
static char	*reasons[] = {
	"Temporarily can't be implemented",
	"There is no known portable test method for this assertion",
	"The statement in the X11 specification is not specific enough to write a test",
	"There is no known reliable test method for this assertion",
	"Testing the assertion would require setup procedures that involve an unreasonable amount of effort by the user of the test suite.",
	"Testing the assertion would require an unreasonable amount of time or resources on most systems",
	"Creating a test would require an unreasonable amount of test development time.",
};

	/* Check for default error sections */
	dodefaults(buf);
	State.assertion++;

	line = mcstrdup(buf);	/* Must not be freed */
	str = strtok(line, SEPS);
	type = strtok((char*)0, SEPS);
	/*
	 * When in an included error file then the type cannot be allowed
	 * to overrule the type that the programmer has selected. This is
	 * because it affects things like Status returns.
	 */
	if (State.err == ER_NONE)
		State.type = type;

	if (type == NULL)
		type = "NOT-SET"; 

	if (strcmp(type, "def") == 0) {
		State.category = CAT_DEF;
		do1sec(fp, buf, SEC_DEFASSERT);
	} else if (strcmp(type, "gc") == 0) {
		/*
		 * Since this is not a real assertion then undo the
		 * state changes above.
		 */
		State.assertion--;
		gccomps(fp, buf);
	} else {
		str = strtok((char*)0, SEPS);
		if (str == NULL)
			str = "";
		State.category = *str;
		if (State.category == CAT_B || State.category == CAT_D) {
			State.reason = NULL;
			str = strtok((char*)0, SEPS);
			if (str && isdigit(*str)) {
				reason = atoi(str);
				if (reason < NELEM(reasons))
					State.reason = reasons[reason];
			}
		}

		/* XXX Temp. to get expansion */
		State.sectype = SEC_ASSERTION;
		/*
		 * Look ahead to see if there is an error.  This is probably
		 * slightly better than the way it used to be done.
		 */
		line = mcstrdup(buf);
		if (newline(fp, buf) && strncmp(buf, ".ER", 3) == 0) {
			/* Back out of the assertion so far */
			State.assertion--;
			errtext(buf);
			newline(fp, buf);
		} else {
			putbackline(buf);
			strcpy(buf, line);
			State.defaultreq = NEED_STRAT|NEED_CODE;
			do1sec(fp, buf, SEC_ASSERTION);
		}
		free(line);
	}
}

/*
 * Do one section.
 */
void do1sec(fp, buf, sec)
FILE	*fp;
char	*buf;
int 	sec;
{
char	*line;
char	*str;
int	i;

	State.sectype = sec;

	if (sec >= NSEC) {
		fprintf(stderr, "Internal error: invalid command\n");
		errexit();
	}

	/*
	 * Any special action that needs to be done at the global level
	 * for a section.
	 */
	switch (sec) {
	case SEC_STRATEGY:
		State.defaultreq &= ~NEED_STRAT;
		if (State.discardtest) {
			skip(fp, buf);
			return;
		}
		break;
	case SEC_CODE:
		State.defaultreq &= ~NEED_CODE;
		if (State.discardtest) {
			skip(fp, buf);
			return;
		}

		if (State.err == ER_VALUE)
			valerrdefs();

		State.err = 0;
		break;
	case SEC_AVSCODE:
		State.xcms = 1;
		break;
	case SEC_HEADER:
		line = mcstrdup(buf);
		if ((str = strtok(line+strlen(D_HEADER), SEPS)) == NULL)
			str = "";
		/*
		 * If the name has changed, then reset the assertion number to
		 * zero.
		 */
		if (State.name == NULL || strcmp(str, State.name) != 0)
			State.assertion = 0;
		State.name = str;
		State.chap = strtok((char*)0, SEPS);
		if (State.name == NULL)
			State.name = "NoName";
		if (State.chap == NULL)
			State.chap = "";

		/*
		 * If we are in macro mode then either take an explicit macro
		 * name if given, or construct the name by removing the leading
		 * letter 'X'.
		 */
		if (mflag) {
			if (Settings.macroname)
				State.name = Settings.macroname;
			if (State.name[0] == 'X')
				State.name++;
		}

		/* Check for xprotocol test */
		i = strlen(State.chap);
		if (i > 5 && strcmp(State.chap + i - 5, "proto") == 0)
			State.xproto = 1;

		/* Check for Xt or Shape Extension test */
		if (strncmp(State.chap, "Xt", 2) == 0) {
			State.xtoolkit = 1;
			if (!strncmp(State.chap, "Xt6", 3) == 0) {
				State.xtathena = 1;
			}
		}

		if (strncmp(State.chap, "ShapeExt", 8) == 0) {
			State.xtoolkit = 1;
		}

		break;
	case SEC_ASSERTION:
	case SEC_DEFASSERT:
		/*
		 * Are we interested in this assertion?  If not then just skip
		 * code and strategy until the next assertion.
		 */
		if (!isassertwanted(State.assertion)) {
			State.defaultreq = 0;
			State.discardtest = 1;
			skip(fp, buf);
			return;
		}
		State.discardtest = 0;
		break;
	}

	if (secsw[Cmdname][sec])
		(*secsw[Cmdname][sec])(fp, buf);
}

/*
 * Switch out to the command specific hook command.
 */
dohook(buf, hook)
char	*buf;
int 	hook;
{
	if (hook >= NHOOK) {
		fprintf(stderr, "Internal error: invalid hook\n");
		errexit();
	}
	if (Cmdname >= NCMDS) {
		fprintf(stderr, "Internal error: command not implemented\n");
		errexit();
	}

	if (hooksw[Cmdname][hook])
		(*hooksw[Cmdname][hook])(buf);
}

/*
 * Skip over this section.
 */
void
skip(fp, buf)
FILE	*fp;
char	*buf;
{
	while (newline(fp, buf) != NULL && !SECSTART(buf))
		;
}

/*
 * Copy the complete section straight to the output, including the
 * section start line.
 */
void
echo(fp, buf, fpout)
FILE	*fp;
char	*buf;
FILE	*fpout;
{
	fwrite(buf, strlen(buf), 1, fpout);
	echon(fp, buf, fpout);
}

/*
 * Copy this section straight to the output, without the section start
 * line.
 */
void
echon(fp, buf, fpout)
FILE	*fp;
char	*buf;
FILE	*fpout;
{
	while (newline(fp, buf) != NULL && !SECSTART(buf))
		fwrite(buf, strlen(buf), 1, fpout);
}

/*
 * At this point we insert any default code that needs inserting.
 */
void dodefaults(buf)
char	*buf;
{
FILE	*fp;
int 	needed;
char	*tmpfile;

	/*
	 * If there is any supplied strategy or code then there are no defaults.
	 */
	if (!State.defaultreq)
		return;
	needed = State.defaultreq;
	State.defaultreq = 0;

	if (State.err) {
		errcode(buf);
		State.err = 0;
		return;
	}

	/* Default code stub */
	fp = cretmpfile(F_TDEFCODE, &tmpfile);

	switch (State.category) {
	case CAT_B: case CAT_D:	/* Untested */
		if (needed & NEED_STRAT) {
			fprintf(fp, ">>STRATEGY\n");
			fprintf(fp, "Report UNTESTED\n");
		}
		if (needed & NEED_CODE) {
			fprintf(fp, ">>CODE\n\n");
/*
			fprintf(fp, "\treport(\"%s\");\n", State.reason);
*/
			fprintf(fp, "\tUNTESTED;\n");
		}
		break;
	default:	/* No code written */
		if (needed & NEED_STRAT) {
			fprintf(fp, ">>STRATEGY\n");
			if (needed & NEED_CODE)
				fprintf(fp, "Report that no code has been written for this test.\n");
			else
				fprintf(fp, "No strategy has been written for this test\n");
		}
		if (needed & NEED_CODE) {
			fprintf(fp, ">>CODE\n");
			fprintf(fp, "\treport(\"No code written for this assertion.\");\n");
		}
		break;
	}
	fclose(fp);

	includefile(tmpfile, buf);
}
