-/*
- * Copyright (c) 1995, the EUROPAGATE consortium (see below).
- *
- * The EUROPAGATE consortium members are:
- *
- * University College Dublin
- * Danmarks Teknologiske Videnscenter
- * An Chomhairle Leabharlanna
- * Consejo Superior de Investigaciones Cientificas
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation, in whole or in part, for any purpose, is hereby granted,
- * provided that:
- *
- * 1. This copyright and permission notice appear in all copies of the
- * software and its documentation. Notices of copyright or attribution
- * which appear at the beginning of any file must remain unchanged.
- *
- * 2. The names of EUROPAGATE or the project partners may not be used to
- * endorse or promote products derived from this software without specific
- * prior written permission.
- *
- * 3. Users of this software (implementors and gateway operators) agree to
- * inform the EUROPAGATE consortium of their use of the software. This
- * information will be used to evaluate the EUROPAGATE project and the
- * software, and to plan further developments. The consortium may use
- * the information in later publications.
- *
- * 4. Users of this software agree to make their best efforts, when
- * documenting their use of the software, to acknowledge the EUROPAGATE
- * consortium, and the role played by the software in their work.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE
- * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF
- * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
- * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND
- * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * USE OR PERFORMANCE OF THIS SOFTWARE.
- *
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2008 Index Data
+ * See the file LICENSE for details.
*/
-
/**
* \file cclptree.c
* \brief Implements CCL parse tree printing
* a CCL node tree (as a result of parsing).
*/
-/* CCL print rpn tree - infix notation
- * Europagate, 1995
- *
- * $Id: cclptree.c,v 1.5 2005-06-24 19:56:52 adam Exp $
- *
- * Old Europagate Log:
- *
- * Revision 1.6 1995/05/16 09:39:26 adam
- * LICENSE.
- *
- * Revision 1.5 1995/02/23 08:31:59 adam
- * Changed header.
- *
- * Revision 1.3 1995/02/15 17:42:16 adam
- * Minor changes of the api of this module. FILE* argument added
- * to ccl_pr_tree.
- *
- * Revision 1.2 1995/02/14 19:55:11 adam
- * Header files ccl.h/cclp.h are gone! They have been merged an
- * moved to ../include/ccl.h.
- * Node kind(s) in ccl_rpn_node have changed names.
- *
- * Revision 1.1 1995/02/14 10:25:56 adam
- * The constructions 'qualifier rel term ...' implemented.
- *
- */
-
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <yaz/ccl.h>
-void fprintSpaces(int indent,FILE * fd_out)
-{
- char buf[100];
- sprintf(buf,"%%%d.s",indent);
- fprintf(fd_out,buf," ");
-}
+static void ccl_pquery_indent(WRBUF w, struct ccl_rpn_node *p, int indent);
-void ccl_pr_tree_as_qrpn(struct ccl_rpn_node *rpn, FILE *fd_out, int indent)
+static void ccl_pquery_complex(WRBUF w, struct ccl_rpn_node *p, int indent)
{
- if(indent>0)
- fprintSpaces(indent,fd_out);
- switch (rpn->kind)
+ int sep_char = indent == -1 ? ' ' : '\n';
+ int next_indent = indent == -1 ? indent : indent+1;
+ switch (p->kind)
{
- case CCL_RPN_TERM:
- if (rpn->u.t.attr_list)
- {
- struct ccl_rpn_attr *attr;
- for (attr = rpn->u.t.attr_list; attr; attr = attr->next)
- {
- if (attr->set)
- fprintf(fd_out, "@attr %s ", attr->set);
- else
- fprintf(fd_out, "@attr ");
- switch(attr->kind)
- {
- case CCL_RPN_ATTR_NUMERIC:
- fprintf (fd_out, "%d=%d ", attr->type,
- attr->value.numeric);
- break;
- case CCL_RPN_ATTR_STRING:
- fprintf (fd_out, "%d=%s ", attr->type,
- attr->value.str);
- }
- }
- }
- fprintf (fd_out, "\"%s\"\n", rpn->u.t.term);
- break;
case CCL_RPN_AND:
- fprintf (fd_out, "@and \n");
- ccl_pr_tree_as_qrpn (rpn->u.p[0], fd_out,indent+2);
- ccl_pr_tree_as_qrpn (rpn->u.p[1], fd_out,indent+2);
+ wrbuf_puts(w, "@and");
break;
case CCL_RPN_OR:
- fprintf (fd_out, "@or \n");
- ccl_pr_tree_as_qrpn (rpn->u.p[0], fd_out,indent+2);
- ccl_pr_tree_as_qrpn (rpn->u.p[1], fd_out,indent+2);
+ wrbuf_puts(w, "@or");
break;
case CCL_RPN_NOT:
- fprintf (fd_out, "@not ");
- ccl_pr_tree_as_qrpn (rpn->u.p[0], fd_out,indent+2);
- ccl_pr_tree_as_qrpn (rpn->u.p[1], fd_out,indent+2);
- break;
- case CCL_RPN_SET:
- fprintf (fd_out, "set=%s ", rpn->u.setname);
+ wrbuf_puts(w, "@not");
break;
case CCL_RPN_PROX:
- if (rpn->u.p[2] && rpn->u.p[2]->kind == CCL_RPN_TERM)
+ if (p->u.p[2] && p->u.p[2]->kind == CCL_RPN_TERM)
{
- const char *cp = rpn->u.p[2]->u.t.term;
+ const char *cp = p->u.p[2]->u.t.term;
/* exlusion distance ordered relation which-code unit-code */
if (*cp == '!')
{
/* word order specified */
if (isdigit(((const unsigned char *) cp)[1]))
- fprintf(fd_out, "@prox 0 %s 1 2 known 2", cp+1);
+ wrbuf_printf(w, "@prox 0 %s 1 2 k 2", cp+1);
else
- fprintf(fd_out, "@prox 0 1 1 2 known 2");
+ wrbuf_printf(w, "@prox 0 1 1 2 k 2");
}
else if (*cp == '%')
{
/* word order not specified */
if (isdigit(((const unsigned char *) cp)[1]))
- fprintf(fd_out, "@prox 0 %s 0 2 known 2", cp+1);
+ wrbuf_printf(w, "@prox 0 %s 0 2 k 2", cp+1);
else
- fprintf(fd_out, "@prox 0 1 0 2 known 2");
+ wrbuf_printf(w, "@prox 0 1 0 2 k 2");
}
}
- ccl_pr_tree_as_qrpn (rpn->u.p[0], fd_out,indent+2);
- ccl_pr_tree_as_qrpn (rpn->u.p[1], fd_out,indent+2);
+ else
+ wrbuf_puts(w, "@prox 0 2 0 1 k 2");
break;
default:
- fprintf(stderr,"Internal Error Unknown ccl_rpn node type %d\n",rpn->kind);
+ wrbuf_puts(w, "@ bad op (unknown)");
}
+ wrbuf_putc(w, sep_char);
+ ccl_pquery_indent(w, p->u.p[0], next_indent);
+ ccl_pquery_indent(w, p->u.p[1], next_indent);
}
-
-void ccl_pr_tree (struct ccl_rpn_node *rpn, FILE *fd_out)
-{
- ccl_pr_tree_as_qrpn(rpn,fd_out,0);
-}
-
-
-static void ccl_pquery_complex (WRBUF w, struct ccl_rpn_node *p)
+static void ccl_prterm(WRBUF w, const char *term)
{
- switch (p->kind)
+ if (!*term)
+ wrbuf_puts(w, "\"\"");
+ else
{
- case CCL_RPN_AND:
- wrbuf_puts(w, "@and ");
- break;
- case CCL_RPN_OR:
- wrbuf_puts(w, "@or ");
- break;
- case CCL_RPN_NOT:
- wrbuf_puts(w, "@not ");
- break;
- case CCL_RPN_PROX:
- if (p->u.p[2] && p->u.p[2]->kind == CCL_RPN_TERM)
+ const char *cp = term;
+ for (; *cp; cp++)
{
- const char *cp = p->u.p[2]->u.t.term;
- /* exlusion distance ordered relation which-code unit-code */
- if (*cp == '!')
- {
- /* word order specified */
- if (isdigit(((const unsigned char *) cp)[1]))
- wrbuf_printf(w, "@prox 0 %s 1 2 k 2 ", cp+1);
- else
- wrbuf_printf(w, "@prox 0 1 1 2 k 2 ");
- }
- else if (*cp == '%')
- {
- /* word order not specified */
- if (isdigit(((const unsigned char *) cp)[1]))
- wrbuf_printf(w, "@prox 0 %s 0 2 k 2 ", cp+1);
- else
- wrbuf_printf(w, "@prox 0 1 0 2 k 2 ");
- }
+ if (*cp == ' ' || *cp == '\\')
+ wrbuf_putc(w, '\\');
+ wrbuf_putc(w, *cp);
}
- else
- wrbuf_puts(w, "@prox 0 2 0 1 k 2 ");
- break;
- default:
- wrbuf_puts(w, "@ bad op (unknown) ");
}
- ccl_pquery(w, p->u.p[0]);
- ccl_pquery(w, p->u.p[1]);
+ wrbuf_puts(w, " ");
}
-void ccl_pquery (WRBUF w, struct ccl_rpn_node *p)
+static void ccl_pquery_indent(WRBUF w, struct ccl_rpn_node *p, int indent)
{
struct ccl_rpn_attr *att;
- const char *cp;
-
+
+ if (!p)
+ return;
+ if (indent != -1)
+ {
+ int i;
+ for (i = 0; i < indent; i++)
+ wrbuf_putc(w, ' ');
+ }
switch (p->kind)
{
case CCL_RPN_AND:
case CCL_RPN_OR:
case CCL_RPN_NOT:
case CCL_RPN_PROX:
- ccl_pquery_complex (w, p);
+ ccl_pquery_complex(w, p, indent);
break;
case CCL_RPN_SET:
- wrbuf_puts (w, "@set ");
- wrbuf_puts (w, p->u.setname);
- wrbuf_puts (w, " ");
+ wrbuf_puts(w, "@set ");
+ ccl_prterm(w, p->u.setname);
+ if (indent != -1)
+ wrbuf_putc(w, '\n');
break;
case CCL_RPN_TERM:
- for (att = p->u.t.attr_list; att; att = att->next)
+ for (att = p->u.t.attr_list; att; att = att->next)
{
char tmpattr[128];
- wrbuf_puts (w, "@attr ");
+ wrbuf_puts(w, "@attr ");
if (att->set)
{
- wrbuf_puts (w, att->set);
- wrbuf_puts (w, " ");
+ wrbuf_puts(w, att->set);
+ wrbuf_puts(w, " ");
}
switch(att->kind)
{
case CCL_RPN_ATTR_NUMERIC:
sprintf(tmpattr, "%d=%d ", att->type, att->value.numeric);
- wrbuf_puts (w, tmpattr);
+ wrbuf_puts(w, tmpattr);
break;
case CCL_RPN_ATTR_STRING:
sprintf(tmpattr, "%d=", att->type);
- wrbuf_puts (w, tmpattr);
+ wrbuf_puts(w, tmpattr);
wrbuf_puts(w, att->value.str);
- wrbuf_puts (w, " ");
+ wrbuf_puts(w, " ");
break;
}
}
- for (cp = p->u.t.term; *cp; cp++)
- {
- if (*cp == ' ' || *cp == '\\')
- wrbuf_putc (w, '\\');
- wrbuf_putc (w, *cp);
- }
- wrbuf_puts (w, " ");
+ ccl_prterm(w, p->u.t.term);
+ if (indent != -1)
+ wrbuf_putc(w, '\n');
break;
}
}
+
+void ccl_pquery(WRBUF w, struct ccl_rpn_node *p)
+{
+ ccl_pquery_indent(w, p, -1);
+}
+
+void ccl_pr_tree(struct ccl_rpn_node *rpn, FILE *fd_out)
+{
+ WRBUF w = wrbuf_alloc();
+
+ ccl_pquery_indent(w, rpn, 0);
+
+ fputs(wrbuf_cstr(w), fd_out);
+ wrbuf_destroy(w);
+}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+