/* $XConsortium: BuildReq.c /main/4 1996/11/26 10:20:39 lehors $ */
/*

Copyright (C) 1996 X Consortium

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Soft-
ware"), 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 condi-
tions:

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 MERCHANTABIL-
ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT
SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABIL-
ITY, 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.

*/

#include "RxI.h"

/* build the GET request to perform to launch the remote application */
char *
RxBuildRequest(RxReturnParams *params)
{
    char *request, *ptr;
    int len, action_len, embed_len, width_len, height_len,
	ui_len, print_len, x_ui_lbx_len, x_print_lbx_len;
    char width_str[10], height_str[10];

    /* the action parameter is mandatory */
    if (params->action == NULL)
	return NULL;

    /*
     * compute string size
     */
    action_len = embed_len = width_len = height_len = 0;
    ui_len = print_len = x_ui_lbx_len = x_print_lbx_len = 0;

    len = (action_len = strlen(params->action)) + 1; /* URL + delimiter */

    /* RX_EMBEDDED + "=" + value + delimiter,
       sizeof including '\0' no need to add anything for the delimiter */
    if (params->embedded != RxUndef)
	len += (embed_len = sizeof(RX_EMBEDDED) +
		(params->embedded == RxTrue ? sizeof(RX_YES) : sizeof(RX_NO)));

    /* RX_WIDTH + "=" + value + delimiter */
    if (params->width != RxUndef) {
	sprintf(width_str, "%d", params->width);
	len += (width_len = sizeof(RX_WIDTH) + strlen(width_str) + 1);
    }
    /* RX_HEIGHT + "=" + value + delimiter */
    if (params->height != RxUndef) {
	sprintf(height_str, "%d", params->height);
	len += (height_len = sizeof(RX_HEIGHT) + strlen(height_str) + 1);
    }
    if (params->ui != NULL)
	/* "UI=" + URL + delimiter */
	len += (ui_len = sizeof(RX_UI)+ strlen(params->ui) + 1);
    if (params->print != NULL)
	/* "PRINT=" + URL + delimiter */
	len += (print_len = sizeof(RX_PRINT) + strlen(params->print) + 1);

    /* RX_X_UI_LBX + "=" + value + delimiter,
       sizeof including '\0' no need to add anything for the delimiter */
    if (params->x_ui_lbx != RxUndef) {
	x_ui_lbx_len = sizeof(RX_X_UI_LBX);
	if (params->x_ui_lbx == RxTrue) {
	    x_ui_lbx_len += sizeof(RX_YES);
	    if (params->x_ui_lbx_auth != NULL) /* 6 for ";auth=" */
		x_ui_lbx_len += strlen(params->x_ui_lbx_auth) + 6;
	} else
	    x_ui_lbx_len += sizeof(RX_NO);
	len += x_ui_lbx_len;
    }

    /* RX_X_PRINT_LBX + "=" + value + delimiter,
       sizeof including '\0' no need to add anything for the delimiter */
    if (params->x_print_lbx != RxUndef) {
	x_print_lbx_len = sizeof(RX_X_PRINT_LBX);
	if (params->x_print_lbx == RxTrue) {
	    x_print_lbx_len += sizeof(RX_YES);
	    if (params->x_print_lbx_auth != NULL) /* 6 for ";auth=" */
		x_print_lbx_len += strlen(params->x_print_lbx_auth) + 6;
	} else
	    x_print_lbx_len += sizeof(RX_NO);
	len += x_print_lbx_len;
    }

    /*
     * malloc string and set it
     */
    request = ptr = (char *)Malloc(len);
    strcpy(ptr, params->action);
    ptr += action_len;
    if (embed_len != 0) {
	sprintf(ptr, "%c%s=%s", RX_QUERY_DELIMITER, RX_EMBEDDED,
		(params->embedded == RxTrue ? RX_YES : RX_NO));
	ptr += embed_len;	/* be careful delimiter is included here */
    }
    if (width_len != 0) {
	sprintf(ptr, "%c%s=%s", RX_QUERY_DELIMITER, RX_WIDTH, width_str);
	ptr += width_len;
    }
    if (height_len != 0) {
	sprintf(ptr, "%c%s=%s", RX_QUERY_DELIMITER, RX_HEIGHT, height_str);
	ptr += height_len;
    }
    if (ui_len != 0) {
	sprintf(ptr, "%c%s=%s", RX_QUERY_DELIMITER, RX_UI, params->ui);
	ptr += ui_len;
    }
    if (print_len != 0) {
	sprintf(ptr, "%c%s=%s", RX_QUERY_DELIMITER, RX_PRINT, params->print);
	ptr += print_len;
    }
    if (x_ui_lbx_len != 0) {
	if (params->x_ui_lbx == RxTrue && params->x_ui_lbx_auth != NULL)
	    sprintf(ptr, "%c%s=%s;auth=%s", RX_QUERY_DELIMITER, RX_X_UI_LBX,
		    RX_YES, params->x_ui_lbx_auth);
	else
	    sprintf(ptr, "%c%s=%s", RX_QUERY_DELIMITER, RX_X_UI_LBX,
		    (params->x_ui_lbx == RxTrue ? RX_YES : RX_NO));
	ptr += x_ui_lbx_len;
    }
    if (x_print_lbx_len != 0) {
	if (params->x_print_lbx == RxTrue
	    && params->x_print_lbx_auth != NULL)
	    sprintf(ptr, "%c%s=%s;auth=%s", RX_QUERY_DELIMITER,
		    RX_X_PRINT_LBX, RX_YES, params->x_print_lbx_auth);
	else
	    sprintf(ptr, "%c%s=%s", RX_QUERY_DELIMITER, RX_X_PRINT_LBX,
		    (params->x_print_lbx == RxTrue ? RX_YES : RX_NO));
	ptr += x_print_lbx_len;
    }

    return request;
}