+++ /dev/null
-/*
- * Copyright (c) 1995-2002, Index Data.
- * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: d1_write.c,v 1.19 2002-10-08 20:14:44 adam Exp $
- */
-
-#include <string.h>
-
-#include <yaz/data1.h>
-#include <yaz/wrbuf.h>
-
-#define IDSGML_MARGIN 75
-
-#define PRETTY_FORMAT 0
-
-static int wordlen(char *b, int max)
-{
- int l = 0;
-
- while (l < max && !d1_isspace(*b))
- l++, b++;
- return l;
-}
-
-static void indent (WRBUF b, int col)
-{
- int i;
- for (i = 0; i<col; i++)
- wrbuf_putc (b, ' ');
-}
-
-static void wrbuf_write_cdata(WRBUF b, const char *msg, int len)
-{
- int i;
-
- for (i = 0; i < len; i++)
- {
- switch (msg[i])
- {
- case '"':
- wrbuf_puts (b, """);
- break;
- case '\'':
- wrbuf_puts (b, "'");
- break;
- case '>':
- wrbuf_puts (b, ">");
- break;
- case '<':
- wrbuf_puts (b, "<");
- break;
- case '&':
- wrbuf_puts (b, "&");
- break;
- default:
- wrbuf_putc(b, msg[i]);
- }
- }
-}
-
-static void wrbuf_put_cdata(WRBUF b, const char *msg)
-{
- wrbuf_write_cdata (b, msg, strlen(msg));
-}
-
-static void wrbuf_put_xattr(WRBUF b, data1_xattr *p)
-{
- for (; p; p = p->next)
- {
- wrbuf_putc (b, ' ');
- if (p->what == DATA1I_xmltext)
- wrbuf_puts (b, p->name);
- else
- wrbuf_put_cdata (b, p->name);
- if (p->value)
- {
- wrbuf_putc (b, '=');
- wrbuf_putc (b, '"');
- if (p->what == DATA1I_text)
- wrbuf_put_cdata (b, p->value);
- else
- wrbuf_puts (b, p->value);
- wrbuf_putc (b, '"');
- }
- }
-}
-
-static int nodetoidsgml(data1_node *n, int select, WRBUF b, int col,
- int pretty_format)
-{
- data1_node *c;
-
- for (c = n->child; c; c = c->next)
- {
- char *tag;
-
- if (c->which == DATA1N_preprocess)
- {
- data1_xattr *p;
-
- if (pretty_format)
- indent (b, col);
- wrbuf_puts (b, "<?");
- wrbuf_put_cdata (b, c->u.preprocess.target);
- wrbuf_put_xattr (b, c->u.preprocess.attributes);
- if (c->child)
- wrbuf_puts(b, " ");
- if (nodetoidsgml(c, select, b, (col > 40) ? 40 : col+2,
- pretty_format) < 0)
- return -1;
- wrbuf_puts (b, "?>\n");
- }
- else if (c->which == DATA1N_tag)
- {
- if (select && !c->u.tag.node_selected)
- continue;
- tag = c->u.tag.tag;
- if (!data1_matchstr(tag, "wellknown")) /* skip wellknown */
- {
- if (nodetoidsgml(c, select, b, col, pretty_format) < 0)
- return -1;
- }
- else
- {
- data1_xattr *p;
-
- if (pretty_format)
- indent (b, col);
- wrbuf_puts (b, "<");
- wrbuf_put_cdata (b, tag);
- wrbuf_put_xattr (b, c->u.tag.attributes);
- wrbuf_puts(b, ">");
- if (pretty_format)
- wrbuf_puts(b, "\n");
- if (nodetoidsgml(c, select, b, (col > 40) ? 40 : col+2,
- pretty_format) < 0)
- return -1;
- if (pretty_format)
- indent (b, col);
- wrbuf_puts(b, "</");
- wrbuf_put_cdata(b, tag);
- wrbuf_puts(b, ">");
- if (pretty_format)
- wrbuf_puts (b, "\n");
- }
- }
- else if (c->which == DATA1N_data || c->which == DATA1N_comment)
- {
- char *p = c->u.data.data;
- int l = c->u.data.len;
- int first = 1;
- int lcol = col;
-
- if (pretty_format && !c->u.data.formatted_text)
- indent (b, col);
- if (c->which == DATA1N_comment)
- wrbuf_puts (b, "<!--");
- switch (c->u.data.what)
- {
- case DATA1I_xmltext:
- wrbuf_write(b, c->u.data.data, c->u.data.len);
- break;
- case DATA1I_text:
- if (!pretty_format || c->u.data.formatted_text)
- {
- wrbuf_write_cdata (b, p, l);
- }
- else
- {
- while (l)
- {
- int wlen;
-
- while (l && d1_isspace(*p))
- p++, l--;
- if (!l)
- break;
- /* break if we cross margin and word is not too long */
- if (lcol + (wlen = wordlen(p, l)) > IDSGML_MARGIN &&
- wlen < IDSGML_MARGIN)
- {
- wrbuf_puts (b, "\n");
- indent (b, col);
- lcol = col;
- first = 1;
- }
- if (!first)
- {
- wrbuf_putc(b, ' ');
- lcol++;
- }
- while (l && !d1_isspace(*p))
- {
- wrbuf_putc(b, *p);
- p++;
- l--;
- lcol++;
- }
- first = 0;
- }
- wrbuf_puts(b, "\n");
- }
- break;
- case DATA1I_num:
- wrbuf_write_cdata(b, c->u.data.data, c->u.data.len);
- if (pretty_format)
- wrbuf_puts(b, "\n");
- break;
- case DATA1I_oid:
- wrbuf_write_cdata(b, c->u.data.data, c->u.data.len);
- if (pretty_format)
- wrbuf_puts(b, "\n");
- }
- if (c->which == DATA1N_comment)
- {
- wrbuf_puts(b, "-->");
- if (pretty_format)
- wrbuf_puts(b, "\n");
- }
- }
- }
- return 0;
-}
-
-char *data1_nodetoidsgml (data1_handle dh, data1_node *n, int select, int *len)
-{
- WRBUF b = data1_get_wrbuf (dh);
-
- wrbuf_rewind(b);
-
- if (!data1_is_xmlmode (dh))
- {
- wrbuf_puts (b, "<");
- wrbuf_puts (b, n->u.root.type);
- wrbuf_puts (b, ">\n");
- }
- if (nodetoidsgml(n, select, b, 0, 0 /* no pretty format */))
- return 0;
- if (!data1_is_xmlmode (dh))
- {
- wrbuf_puts (b, "</");
- wrbuf_puts (b, n->u.root.type);
- wrbuf_puts (b, ">\n");
- }
- *len = wrbuf_len(b);
- return wrbuf_buf(b);
-}
projects / yaz-moved-to-github.git / blobdiff