From b12f3033ac773b6b22d558bd8f4c7b3de53f2867 Mon Sep 17 00:00:00 2001
From: Pavel Charvat <pavel.charvat@netcentrum.cz>
Date: Thu, 24 Apr 2008 09:17:15 +0200
Subject: [PATCH] XML: Implemented xml_skip_element().

---
 sherlock/xml/parse.c | 22 ++++++++++++++++++++++
 sherlock/xml/xml.h   |  6 ++++++
 2 files changed, 28 insertions(+)

diff --git a/sherlock/xml/parse.c b/sherlock/xml/parse.c
index 67ef1076..f771b304 100644
--- a/sherlock/xml/parse.c
+++ b/sherlock/xml/parse.c
@@ -1137,6 +1137,28 @@ epilog:
   ASSERT(0);
 }
 
+uns
+xml_next_state(struct xml_context *ctx, uns pull)
+{
+  uns saved = ctx->pull;
+  ctx->pull = pull;
+  uns res = xml_next(ctx);
+  ctx->pull = saved;
+  return res;
+}
+
+uns
+xml_skip_element(struct xml_context *ctx)
+{
+  ASSERT(ctx->state == XML_STATE_STAG);
+  struct xml_node *node = ctx->node;
+  uns saved = ctx->pull, res;
+  ctx->pull = XML_PULL_ETAG;
+  while ((res = xml_next(ctx)) && ctx->node != node);
+  ctx->pull = saved;
+  return res;
+}
+
 uns
 xml_parse(struct xml_context *ctx)
 {
diff --git a/sherlock/xml/xml.h b/sherlock/xml/xml.h
index 01b115da..08a4d6f6 100644
--- a/sherlock/xml/xml.h
+++ b/sherlock/xml/xml.h
@@ -232,6 +232,12 @@ uns xml_parse(struct xml_context *ctx);
 /* Parse with the PUSH interface, return XML_STATE_x (zero on EOF or fatal error) */
 uns xml_next(struct xml_context *ctx);
 
+/* Equivalent to xml_next, but with temporarily changed ctx->pull value */
+uns xml_next_state(struct xml_context *ctx, uns pull);
+
+/* May be called on XML_STATE_STAG to skip it's content; can return XML_STATE_ETAG or XML_STATE_EOF on fatal error */
+uns xml_skip_element(struct xml_context *ctx);
+
 /* Returns the current row number in the document entity */
 uns xml_row(struct xml_context *ctx);
 
-- 
2.39.2