added a trivial expat wrapper

Signed-off-by: Michael Krelin <hacker@klever.net>

6 files changed, 207 insertions, 6 deletions

diff --git a/configure.ac b/configure.ac
index 48a5efb..2b94b41 100644
--- a/configure.ac
+++ b/configure.ac
@@ -66,6 +66,19 @@ LIBCURL_CHECK_CONFIG(,,,[
  AC_MSG_ERROR([no required libcurl library. get one from http://curl.haxx.se/])
 ])
 
+AC_CHECK_HEADER([expat.h],[
+ AC_CHECK_LIB([expat],[XML_ParserCreate],[
+  EXPAT_LIBS=-lexpat
+  EXPAT_CFLAGS=
+  AC_SUBST([EXPAT_LIBS])
+  AC_SUBST([EXPAT_CFLAGS])
+ ],[
+  AC_MSG_ERROR([no required expat library. get one from http://expat.sourceforge.net/])
+ ])
+],[
+ AC_MSG_ERROR([no required expat library. get one from http://expat.sourceforge.net/])
+])
+
 if test -n "$PCRE_LIBS" -a -n "$PCRE_CFLAGS" ; then
  AC_SUBST([PCRE_CFLAGS])
  AC_SUBST([PCRE_LIBS])
diff --git a/include/Makefile.am b/include/Makefile.am
index b31786d..0385cfb 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -14,4 +14,4 @@ nobase_include_HEADERS = \
 EXTRA_DIST = \
         opkele/data.h \
         opkele/util.h \
-        opkele/curl.h
+        opkele/curl.h opkele/expat.h
diff --git a/include/opkele/expat.h b/include/opkele/expat.h
new file mode 100644
index 0000000..60c41ac
--- a/dev/null
+++ b/include/opkele/expat.h
@@ -0,0 +1,91 @@
+#ifndef __OPKELE_EXPAT_H
+#define __OPKELE_EXPAT_H
+
+#include <cassert>
+#include <expat.h>
+
+namespace opkele {
+
+    namespace util {
+
+        class expat_t {
+            public:
+                XML_Parser _x;
+
+                expat_t() : _x(0) { }
+                expat_t(XML_Parser x) : _x(x) { }
+                virtual ~expat_t() throw();
+
+                expat_t& operator=(XML_Parser x);
+
+                operator const XML_Parser(void) const { return _x; }
+                operator XML_Parser(void) { return _x; }
+
+                inline bool parse(const char *s,int len,bool final=false) {
+                    assert(_x);
+                    return XML_Parse(_x,s,len,final);
+                }
+
+                virtual void start_element(const XML_Char *n,const XML_Char **a) { }
+                virtual void end_element(const XML_Char *n) { }
+                void set_element_handler();
+
+                virtual void character_data(const XML_Char *s,int l) { }
+                void set_character_data_handler();
+
+                virtual void processing_instruction(const XML_Char *t,const XML_Char *d) { }
+                void set_processing_instruction_handler();
+
+                virtual void comment(const XML_Char *d) { }
+                void set_comment_handler();
+
+                virtual void start_cdata_section() { }
+                virtual void end_cdata_section() { }
+                void set_cdata_section_handler();
+
+                virtual void default_handler(const XML_Char *s,int l) { }
+                void set_default_handler();
+                void set_default_handler_expand();
+
+                virtual void start_namespace_decl(const XML_Char *p,const XML_Char *u) { }
+                virtual void end_namespace_decl(const XML_Char *p) { }
+                void set_namespace_decl_handler();
+
+                inline enum XML_Error get_error_code() {
+                    assert(_x); return XML_GetErrorCode(_x); }
+                static inline const XML_LChar *error_string(XML_Error c) {
+                    return XML_ErrorString(c); }
+
+                inline long get_current_byte_index() {
+                    assert(_x); return XML_GetCurrentByteIndex(_x); }
+                inline int get_current_line_number() {
+                    assert(_x); return XML_GetCurrentLineNumber(_x); }
+                inline int get_current_column_number() {
+                    assert(_x); return XML_GetCurrentColumnNumber(_x); }
+
+                inline void set_user_data() {
+                    assert(_x); XML_SetUserData(_x,this); }
+
+                inline bool set_base(const XML_Char *b) {
+                    assert(_x); return XML_SetBase(_x,b); }
+                inline const XML_Char *get_base() {
+                    assert(_x); return XML_GetBase(_x); }
+
+                inline int get_specified_attribute_count() {
+                    assert(_x); return XML_GetSpecifiedAttributeCount(_x); }
+
+                inline bool set_param_entity_parsing(enum XML_ParamEntityParsing c) {
+                    assert(_x); return XML_SetParamEntityParsing(_x,c); }
+
+                inline static XML_Parser parser_create(const XML_Char *e=0) {
+                    return XML_ParserCreate(e); }
+                inline static XML_Parser parser_create_ns(const XML_Char *e=0,XML_Char s='\t') {
+                    return XML_ParserCreateNS(e,s); }
+
+        };
+
+    }
+
+}
+
+#endif /* __OPKELE_EXPAT_H */
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 0fe705a..7309353 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,14 +1,15 @@
 lib_LTLIBRARIES = libopkele.la
 
+DEFAULT_INCLUDES = -I${top_builddir}
 INCLUDES = \
            -I${top_srcdir}/include/ \
            ${KONFORKA_CFLAGS} \
            ${OPENSSL_CFLAGS} \
            ${LIBCURL_CPPFLAGS} \
-           ${PCRE_CFLAGS}
+           ${PCRE_CFLAGS} ${EXPAT_CFLAGS}
 libopkele_la_LIBADD = \
         ${LIBCURL} \
-        ${PCRE_LIBS} \
+        ${PCRE_LIBS} ${EXPAT_LIBS} \
         ${OPENSSL_LIBS} \
         ${KONFORKA_LIBS}
 
@@ -23,6 +24,6 @@ libopkele_la_SOURCES = \
                        extension.cc \
                        sreg.cc \
                        extension_chain.cc \
-                       curl.cc
+                       curl.cc expat.cc
 libopkele_la_LDFLAGS = \
         -version-info 2:0:0
diff --git a/lib/expat.cc b/lib/expat.cc
new file mode 100644
index 0000000..fa6fdde
--- a/dev/null
+++ b/lib/expat.cc
@@ -0,0 +1,96 @@
+#include <opkele/expat.h>
+
+namespace opkele {
+
+    namespace util {
+
+        expat_t::~expat_t() throw() {
+            if(_x)
+                XML_ParserFree(_x);
+        }
+
+        expat_t& expat_t::operator=(XML_Parser x) {
+            if(_x)
+                XML_ParserFree(_x);
+            _x = x;
+        }
+
+        static void _start_element(void* ud,const XML_Char *n,const XML_Char **a) {
+            ((expat_t*)ud)->start_element(n,a);
+        }
+        static void _end_element(void *ud,const XML_Char *n) {
+            ((expat_t*)ud)->end_element(n);
+        }
+
+        void expat_t::set_element_handler() {
+            assert(_x);
+            XML_SetElementHandler(_x,_start_element,_end_element);
+        }
+
+        static void _character_data(void *ud,const XML_Char *s,int l) {
+            ((expat_t*)ud)->character_data(s,l);
+        }
+
+        void expat_t::set_character_data_handler() {
+            assert(_x);
+            XML_SetCharacterDataHandler(_x,_character_data);
+        }
+
+        static void _processing_instruction(void *ud,const XML_Char *t,const XML_Char *d) {
+            ((expat_t*)ud)->processing_instruction(t,d);
+        }
+
+        void expat_t::set_processing_instruction_handler() {
+            assert(_x);
+            XML_SetProcessingInstructionHandler(_x,_processing_instruction);
+        }
+
+        static void _comment(void *ud,const XML_Char *d) {
+            ((expat_t*)ud)->comment(d);
+        }
+
+        void expat_t::set_comment_handler() {
+            assert(_x);
+            XML_SetCommentHandler(_x,_comment);
+        }
+
+        static void _start_cdata_section(void *ud) {
+            ((expat_t*)ud)->start_cdata_section();
+        }
+        static void _end_cdata_section(void *ud) {
+            ((expat_t*)ud)->end_cdata_section();
+        }
+
+        void expat_t::set_cdata_section_handler() {
+            assert(_x);
+            XML_SetCdataSectionHandler(_x,_start_cdata_section,_end_cdata_section);
+        }
+
+        static void _default_handler(void *ud,const XML_Char *s,int l) {
+            ((expat_t*)ud)->default_handler(s,l);
+        }
+
+        void expat_t::set_default_handler() {
+            assert(_x);
+            XML_SetDefaultHandler(_x,_default_handler);
+        }
+        void expat_t::set_default_handler_expand() {
+            assert(_x);
+            XML_SetDefaultHandlerExpand(_x,_default_handler);
+        }
+
+        static void _start_namespace_decl(void *ud,const XML_Char *p,const XML_Char *u) {
+            ((expat_t*)ud)->start_namespace_decl(p,u);
+        }
+        static void _end_namespace_decl(void *ud,const XML_Char *p) {
+            ((expat_t*)ud)->end_namespace_decl(p);
+        }
+
+        void expat_t::set_namespace_decl_handler() {
+            assert(_x);
+            XML_SetNamespaceDeclHandler(_x,_start_namespace_decl,_end_namespace_decl);
+        }
+
+    }
+
+}
diff --git a/libopkele.pc.in b/libopkele.pc.in
index bc67362..0a95e96 100644
--- a/libopkele.pc.in
+++ b/libopkele.pc.in
@@ -7,5 +7,5 @@ Name: libopkele
 Description: C++ implementation of OpenID protocol
 Version: @VERSION@
 Requires: openssl libpcre @KONFORKA_KONFORKA@
-Cflags: -I${includedir} @LIBCURL_CPPFLAGS@ @PCRE_CFLAGS@
-Libs: -L${libdir} -lopkele @LIBCURL@ @PCRE_LIBS@
+Cflags: -I${includedir} @LIBCURL_CPPFLAGS@ @PCRE_CFLAGS@ @EXPAT_CFLAGS@
+Libs: -L${libdir} -lopkele @LIBCURL@ @PCRE_LIBS@ @EXPAT_LIBS@