From 15a8df4b8276d60b5d37ffb3225d0dce32c0e4b7 Mon Sep 17 00:00:00 2001
From: Daniel Veillard <veillard@src.gnome.org>
Date: Thu, 24 Sep 1998 19:15:06 +0000
Subject: [PATCH] Added a per-document compression interface, Daniel.

---
 ChangeLog             |  4 ++++
 include/libxml/tree.h |  3 +++
 tree.c                | 23 ++++++++++++++++++++---
 tree.h                |  3 +++
 4 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 0d9292d2..a0d8785d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Sep 24 15:13:29 EDT 1998 Daniel Veillard <Daniel.Veillard@w3.org>
+
+	* tree.c, tree.h: added a per-document compression interface.
+
 Tue Sep 22 20:47:38 EDT 1998
 
 	* tree.c, tree.h: added saving with compression and added interfaces
diff --git a/include/libxml/tree.h b/include/libxml/tree.h
index 0b270141..b79d4b92 100644
--- a/include/libxml/tree.h
+++ b/include/libxml/tree.h
@@ -112,6 +112,7 @@ typedef struct xmlDoc {
     char           *name;	/* name/filename/URI of the document */
     const CHAR     *version;	/* the XML version string */
     const CHAR     *encoding;   /* encoding, if any */
+    int             compression;/* level of zlib compression */
     int             standalone; /* standalone document (no external refs) */
     struct xmlDtd  *dtd;	/* the document DTD if available */
     struct xmlNs   *oldNs;	/* Global namespace, the old way */
@@ -173,6 +174,8 @@ extern void xmlDocDumpMemory(xmlDocPtr cur, CHAR**mem, int *size);
 extern void xmlDocDump(FILE *f, xmlDocPtr doc);
 int xmlSaveFile(const char *filename, xmlDocPtr cur);
 
+extern int  xmlGetDocCompressMode (xmlDocPtr doc);
+extern void xmlSetDocCompressMode (xmlDocPtr doc, int mode);
 extern int  xmlGetCompressMode(void);
 extern void xmlSetCompressMode(int mode);
 
diff --git a/tree.c b/tree.c
index c7eba5a0..ccd0220a 100644
--- a/tree.c
+++ b/tree.c
@@ -25,6 +25,8 @@ static CHAR xmlStringText[] = { 't', 'e', 'x', 't', 0 };
 int oldXMLWDcompatibility = 0;
 int xmlIndentTreeOutput = 1;
 
+static int xmlCompressMode = 0;
+
 /************************************************************************
  *									*
  *		Allocation and deallocation of basic structures		*
@@ -274,6 +276,7 @@ xmlDocPtr xmlNewDoc(const CHAR *version) {
     cur->encoding = NULL;
     cur->entities = NULL;
     cur->standalone = -1;
+    cur->compression = xmlCompressMode;
     return(cur);
 }
 
@@ -1155,17 +1158,31 @@ void xmlDocDumpMemory(xmlDocPtr cur, CHAR**mem, int *size) {
 }
 
 /*
- * Get the compression mode
+ * Get/Set a document compression mode.
  */
 
-static int xmlCompressMode = 0;
+int  xmlGetDocCompressMode (xmlDocPtr doc) {
+    if (doc == NULL) return(-1);
+    return(doc->compression);
+}
+
+void xmlSetDocCompressMode (xmlDocPtr doc, int mode) {
+    if (doc == NULL) return;
+    if (mode < 0) doc->compression = 0;
+    else if (mode > 9) doc->compression = 9;
+    else doc->compression = mode;
+}
+
+/*
+ * Get/Set the global compression mode
+ */
 
 int  xmlGetCompressMode(void) {
     return(xmlCompressMode);
 }
 void xmlSetCompressMode(int mode) {
     if (mode < 0) xmlCompressMode = 0;
-    if (mode > 9) xmlCompressMode = 9;
+    else if (mode > 9) xmlCompressMode = 9;
     else xmlCompressMode = mode;
 }
 
diff --git a/tree.h b/tree.h
index 0b270141..b79d4b92 100644
--- a/tree.h
+++ b/tree.h
@@ -112,6 +112,7 @@ typedef struct xmlDoc {
     char           *name;	/* name/filename/URI of the document */
     const CHAR     *version;	/* the XML version string */
     const CHAR     *encoding;   /* encoding, if any */
+    int             compression;/* level of zlib compression */
     int             standalone; /* standalone document (no external refs) */
     struct xmlDtd  *dtd;	/* the document DTD if available */
     struct xmlNs   *oldNs;	/* Global namespace, the old way */
@@ -173,6 +174,8 @@ extern void xmlDocDumpMemory(xmlDocPtr cur, CHAR**mem, int *size);
 extern void xmlDocDump(FILE *f, xmlDocPtr doc);
 int xmlSaveFile(const char *filename, xmlDocPtr cur);
 
+extern int  xmlGetDocCompressMode (xmlDocPtr doc);
+extern void xmlSetDocCompressMode (xmlDocPtr doc, int mode);
 extern int  xmlGetCompressMode(void);
 extern void xmlSetCompressMode(int mode);