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authorworktycho <work.tycho@gmail.com>2013-12-09 18:51:12 +0100
committerworktycho <work.tycho@gmail.com>2013-12-09 18:51:12 +0100
commit843605d59ebc128be0a578dc6f45ef8c05da6e79 (patch)
tree3ffebc6ba27baf7a9e1d4bc51501ffeea9b14226 /lib/luaexpat
parentmerged makefile changes (diff)
parentFix Undefined behavior at Bindings/LuaWindow line 32 (diff)
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Diffstat (limited to 'lib/luaexpat')
-rw-r--r--lib/luaexpat/lxplib.c599
-rw-r--r--lib/luaexpat/lxplib.h24
2 files changed, 623 insertions, 0 deletions
diff --git a/lib/luaexpat/lxplib.c b/lib/luaexpat/lxplib.c
new file mode 100644
index 000000000..1a36104a8
--- /dev/null
+++ b/lib/luaexpat/lxplib.c
@@ -0,0 +1,599 @@
+/*
+** $Id: lxplib.c,v 1.16 2007/06/05 20:03:12 carregal Exp $
+** LuaExpat: Lua bind for Expat library
+** See Copyright Notice in license.html
+*/
+
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "expat/expat.h"
+
+#include "lua/src/lua.h"
+#include "lua/src/lauxlib.h"
+
+
+#include "lxplib.h"
+
+
+#if !defined(lua_pushliteral)
+#define lua_pushliteral(L, s) \
+ lua_pushstring(L, "" s, (sizeof(s)/sizeof(char))-1)
+#endif
+
+
+enum XPState {
+ XPSpre, /* parser just initialized */
+ XPSok, /* state while parsing */
+ XPSfinished, /* state after finished parsing */
+ XPSerror,
+ XPSstring /* state while reading a string */
+};
+
+struct lxp_userdata {
+ lua_State *L;
+ XML_Parser parser; /* associated expat parser */
+ int tableref; /* table with callbacks for this parser */
+ enum XPState state;
+ luaL_Buffer *b; /* to concatenate sequences of cdata pieces */
+};
+
+typedef struct lxp_userdata lxp_userdata;
+
+
+static int reporterror (lxp_userdata *xpu) {
+ lua_State *L = xpu->L;
+ XML_Parser p = xpu->parser;
+ lua_pushnil(L);
+ lua_pushstring(L, XML_ErrorString(XML_GetErrorCode(p)));
+ lua_pushnumber(L, XML_GetCurrentLineNumber(p));
+ lua_pushnumber(L, XML_GetCurrentColumnNumber(p) + 1);
+ lua_pushnumber(L, XML_GetCurrentByteIndex(p) + 1);
+ return 5;
+}
+
+
+static lxp_userdata *createlxp (lua_State *L) {
+ lxp_userdata *xpu = (lxp_userdata *)lua_newuserdata(L, sizeof(lxp_userdata));
+ xpu->tableref = LUA_REFNIL; /* in case of errors... */
+ xpu->parser = NULL;
+ xpu->L = NULL;
+ xpu->state = XPSpre;
+ luaL_getmetatable(L, ParserType);
+ lua_setmetatable(L, -2);
+ return xpu;
+}
+
+
+static void lxpclose (lua_State *L, lxp_userdata *xpu) {
+ luaL_unref(L, LUA_REGISTRYINDEX, xpu->tableref);
+ xpu->tableref = LUA_REFNIL;
+ if (xpu->parser)
+ XML_ParserFree(xpu->parser);
+ xpu->parser = NULL;
+}
+
+
+
+
+/*
+** Auxiliary function to call a Lua handle
+*/
+static void docall (lxp_userdata *xpu, int nargs, int nres) {
+ lua_State *L = xpu->L;
+ assert(xpu->state == XPSok);
+ if (lua_pcall(L, nargs + 1, nres, 0) != 0) {
+ xpu->state = XPSerror;
+ luaL_unref(L, LUA_REGISTRYINDEX, xpu->tableref);
+ xpu->tableref = luaL_ref(L, LUA_REGISTRYINDEX); /* error message */
+ }
+}
+
+
+/*
+** Check whether there is pending Cdata, and call its handle if necessary
+*/
+static void dischargestring (lxp_userdata *xpu) {
+ assert(xpu->state == XPSstring);
+ xpu->state = XPSok;
+ luaL_pushresult(xpu->b);
+ docall(xpu, 1, 0);
+}
+
+
+/*
+** Check whether there is a Lua handle for a given event: If so,
+** put it on the stack (to be called later), and also push `self'
+*/
+static int getHandle (lxp_userdata *xpu, const char *handle) {
+ lua_State *L = xpu->L;
+ if (xpu->state == XPSstring) dischargestring(xpu);
+ if (xpu->state == XPSerror)
+ return 0; /* some error happened before; skip all handles */
+ lua_pushstring(L, handle);
+ lua_gettable(L, 3);
+ if (lua_toboolean(L, -1) == 0) {
+ lua_pop(L, 1);
+ return 0;
+ }
+ if (!lua_isfunction(L, -1)) {
+ luaL_error(L, "lxp `%s' callback is not a function", handle);
+ }
+ lua_pushvalue(L, 1); /* first argument in every call (self) */
+ return 1;
+}
+
+
+
+/*
+** {======================================================
+** Handles
+** =======================================================
+*/
+
+
+static void f_StartCdata (void *ud) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (getHandle(xpu, StartCdataKey) == 0) return; /* no handle */
+ docall(xpu, 0, 0);
+}
+
+
+static void f_EndCdataKey (void *ud) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (getHandle(xpu, EndCdataKey) == 0) return; /* no handle */
+ docall(xpu, 0, 0);
+}
+
+
+static void f_CharData (void *ud, const char *s, int len) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (xpu->state == XPSok) {
+ if (getHandle(xpu, CharDataKey) == 0) return; /* no handle */
+ xpu->state = XPSstring;
+ luaL_buffinit(xpu->L, xpu->b);
+ }
+ if (xpu->state == XPSstring)
+ luaL_addlstring(xpu->b, s, len);
+}
+
+
+static void f_Comment (void *ud, const char *data) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (getHandle(xpu, CommentKey) == 0) return; /* no handle */
+ lua_pushstring(xpu->L, data);
+ docall(xpu, 1, 0);
+}
+
+
+static void f_Default (void *ud, const char *data, int len) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (getHandle(xpu, DefaultKey) == 0) return; /* no handle */
+ lua_pushlstring(xpu->L, data, len);
+ docall(xpu, 1, 0);
+}
+
+
+static void f_DefaultExpand (void *ud, const char *data, int len) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (getHandle(xpu, DefaultExpandKey) == 0) return; /* no handle */
+ lua_pushlstring(xpu->L, data, len);
+ docall(xpu, 1, 0);
+}
+
+
+static void f_StartElement (void *ud, const char *name, const char **attrs) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ lua_State *L = xpu->L;
+ int lastspec = XML_GetSpecifiedAttributeCount(xpu->parser) / 2;
+ int i = 1;
+ if (getHandle(xpu, StartElementKey) == 0) return; /* no handle */
+ lua_pushstring(L, name);
+ lua_newtable(L);
+ while (*attrs) {
+ if (i <= lastspec) {
+ lua_pushnumber(L, i++);
+ lua_pushstring(L, *attrs);
+ lua_settable(L, -3);
+ }
+ lua_pushstring(L, *attrs++);
+ lua_pushstring(L, *attrs++);
+ lua_settable(L, -3);
+ }
+ docall(xpu, 2, 0); /* call function with self, name, and attributes */
+}
+
+
+static void f_EndElement (void *ud, const char *name) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (getHandle(xpu, EndElementKey) == 0) return; /* no handle */
+ lua_pushstring(xpu->L, name);
+ docall(xpu, 1, 0);
+}
+
+
+static int f_ExternaEntity (XML_Parser p, const char *context,
+ const char *base,
+ const char *systemId,
+ const char *publicId) {
+ lxp_userdata *xpu = (lxp_userdata *)XML_GetUserData(p);
+ lua_State *L = xpu->L;
+ lxp_userdata *child;
+ int status;
+ if (getHandle(xpu, ExternalEntityKey) == 0) return 1; /* no handle */
+ child = createlxp(L);
+ child->parser = XML_ExternalEntityParserCreate(p, context, NULL);
+ if (!child->parser)
+ luaL_error(L, "XML_ParserCreate failed");
+ lua_rawgeti(L, LUA_REGISTRYINDEX, xpu->tableref); /*lua_getref(L, xpu->tableref); */ /* child uses the same table of its father */
+ child->tableref = luaL_ref(L, LUA_REGISTRYINDEX);
+ lua_pushstring(L, base);
+ lua_pushstring(L, systemId);
+ lua_pushstring(L, publicId);
+ docall(xpu, 4, 1);
+ status = lua_toboolean(L, -1);
+ lua_pop(L, 1);
+ lxpclose(L, child);
+ return status;
+}
+
+
+static void f_StartNamespaceDecl (void *ud, const char *prefix,
+ const char *uri) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ lua_State *L = xpu->L;
+ if (getHandle(xpu, StartNamespaceDeclKey) == 0) return; /* no handle */
+ lua_pushstring(L, prefix);
+ lua_pushstring(L, uri);
+ docall(xpu, 2, 0);
+}
+
+
+static void f_EndNamespaceDecl (void *ud, const char *prefix) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (getHandle(xpu, EndNamespaceDeclKey) == 0) return; /* no handle */
+ lua_pushstring(xpu->L, prefix);
+ docall(xpu, 1, 0);
+}
+
+
+static void f_NotationDecl (void *ud, const char *notationName,
+ const char *base,
+ const char *systemId,
+ const char *publicId) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ lua_State *L = xpu->L;
+ if (getHandle(xpu, NotationDeclKey) == 0) return; /* no handle */
+ lua_pushstring(L, notationName);
+ lua_pushstring(L, base);
+ lua_pushstring(L, systemId);
+ lua_pushstring(L, publicId);
+ docall(xpu, 4, 0);
+}
+
+
+static int f_NotStandalone (void *ud) {
+ int status;
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ lua_State *L = xpu->L;
+ if (getHandle(xpu, NotStandaloneKey) == 0) return 1; /* no handle */
+ docall(xpu, 0, 1);
+ status = lua_toboolean(L, -1);
+ lua_pop(L, 1);
+ return status;
+}
+
+
+static void f_ProcessingInstruction (void *ud, const char *target,
+ const char *data) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ lua_State *L = xpu->L;
+ if (getHandle(xpu, ProcessingInstructionKey) == 0) return; /* no handle */
+ lua_pushstring(L, target);
+ lua_pushstring(L, data);
+ docall(xpu, 2, 0);
+}
+
+
+static void f_UnparsedEntityDecl (void *ud, const char *entityName,
+ const char *base,
+ const char *systemId,
+ const char *publicId,
+ const char *notationName) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ lua_State *L = xpu->L;
+ if (getHandle(xpu, UnparsedEntityDeclKey) == 0) return; /* no handle */
+ lua_pushstring(L, entityName);
+ lua_pushstring(L, base);
+ lua_pushstring(L, systemId);
+ lua_pushstring(L, publicId);
+ lua_pushstring(L, notationName);
+ docall(xpu, 5, 0);
+}
+
+static void f_StartDoctypeDecl (void *ud, const XML_Char *doctypeName,
+ const XML_Char *sysid,
+ const XML_Char *pubid,
+ int has_internal_subset) {
+ lxp_userdata *xpu = (lxp_userdata *)ud;
+ if (getHandle(xpu, StartDoctypeDeclKey) == 0) return; /* no handle */
+ lua_pushstring(xpu->L, doctypeName);
+ lua_pushstring(xpu->L, sysid);
+ lua_pushstring(xpu->L, pubid);
+ lua_pushboolean(xpu->L, has_internal_subset);
+ docall(xpu, 4, 0);
+}
+
+/* }====================================================== */
+
+
+
+static int hasfield (lua_State *L, const char *fname) {
+ int res;
+ lua_pushstring(L, fname);
+ lua_gettable(L, 1);
+ res = !lua_isnil(L, -1);
+ lua_pop(L, 1);
+ return res;
+}
+
+
+static void checkcallbacks (lua_State *L) {
+ static const char *const validkeys[] = {
+ "StartCdataSection", "EndCdataSection", "CharacterData", "Comment",
+ "Default", "DefaultExpand", "StartElement", "EndElement",
+ "ExternalEntityRef", "StartNamespaceDecl", "EndNamespaceDecl",
+ "NotationDecl", "NotStandalone", "ProcessingInstruction",
+ "UnparsedEntityDecl", "StartDoctypeDecl", NULL};
+ if (hasfield(L, "_nonstrict")) return;
+ lua_pushnil(L);
+ while (lua_next(L, 1)) {
+ lua_pop(L, 1); /* remove value */
+#if ! defined (LUA_VERSION_NUM) || LUA_VERSION_NUM < 501
+ if (lua_type(L, -1) != LUA_TSTRING ||
+ luaL_findstring(lua_tostring(L, -1), validkeys) < 0)
+ luaL_error(L, "invalid key `%s' in callback table", lua_tostring(L, -1));
+#else
+ luaL_checkoption(L, -1, NULL, validkeys);
+#endif
+ }
+}
+
+
+static int lxp_make_parser (lua_State *L) {
+ XML_Parser p;
+ char sep = *luaL_optstring(L, 2, "");
+ lxp_userdata *xpu = createlxp(L);
+ p = xpu->parser = (sep == '\0') ? XML_ParserCreate(NULL) :
+ XML_ParserCreateNS(NULL, sep);
+ if (!p)
+ luaL_error(L, "XML_ParserCreate failed");
+ luaL_checktype(L, 1, LUA_TTABLE);
+ checkcallbacks(L);
+ lua_pushvalue(L, 1);
+ xpu->tableref = luaL_ref(L, LUA_REGISTRYINDEX);
+ XML_SetUserData(p, xpu);
+ if (hasfield(L, StartCdataKey) || hasfield(L, EndCdataKey))
+ XML_SetCdataSectionHandler(p, f_StartCdata, f_EndCdataKey);
+ if (hasfield(L, CharDataKey))
+ XML_SetCharacterDataHandler(p, f_CharData);
+ if (hasfield(L, CommentKey))
+ XML_SetCommentHandler(p, f_Comment);
+ if (hasfield(L, DefaultKey))
+ XML_SetDefaultHandler(p, f_Default);
+ if (hasfield(L, DefaultExpandKey))
+ XML_SetDefaultHandlerExpand(p, f_DefaultExpand);
+ if (hasfield(L, StartElementKey) || hasfield(L, EndElementKey))
+ XML_SetElementHandler(p, f_StartElement, f_EndElement);
+ if (hasfield(L, ExternalEntityKey))
+ XML_SetExternalEntityRefHandler(p, f_ExternaEntity);
+ if (hasfield(L, StartNamespaceDeclKey) || hasfield(L, EndNamespaceDeclKey))
+ XML_SetNamespaceDeclHandler(p, f_StartNamespaceDecl, f_EndNamespaceDecl);
+ if (hasfield(L, NotationDeclKey))
+ XML_SetNotationDeclHandler(p, f_NotationDecl);
+ if (hasfield(L, NotStandaloneKey))
+ XML_SetNotStandaloneHandler(p, f_NotStandalone);
+ if (hasfield(L, ProcessingInstructionKey))
+ XML_SetProcessingInstructionHandler(p, f_ProcessingInstruction);
+ if (hasfield(L, UnparsedEntityDeclKey))
+ XML_SetUnparsedEntityDeclHandler(p, f_UnparsedEntityDecl);
+ if (hasfield(L, StartDoctypeDeclKey))
+ XML_SetStartDoctypeDeclHandler(p, f_StartDoctypeDecl);
+ return 1;
+}
+
+
+static lxp_userdata *checkparser (lua_State *L, int idx) {
+ lxp_userdata *xpu = (lxp_userdata *)luaL_checkudata(L, idx, ParserType);
+ luaL_argcheck(L, xpu, idx, "expat parser expected");
+ luaL_argcheck(L, xpu->parser, idx, "parser is closed");
+ return xpu;
+}
+
+
+static int parser_gc (lua_State *L) {
+ lxp_userdata *xpu = (lxp_userdata *)luaL_checkudata(L, 1, ParserType);
+ luaL_argcheck(L, xpu, 1, "expat parser expected");
+ lxpclose(L, xpu);
+ return 0;
+}
+
+
+static int setbase (lua_State *L) {
+ lxp_userdata *xpu = checkparser(L, 1);
+ if (XML_SetBase(xpu->parser, luaL_checkstring(L, 2)) == 0)
+ luaL_error(L, "no memory to store base");
+ return 0;
+}
+
+
+static int getbase (lua_State *L) {
+ lxp_userdata *xpu = checkparser(L, 1);
+ lua_pushstring(L, XML_GetBase(xpu->parser));
+ return 1;
+}
+
+
+static int getcallbacks (lua_State *L) {
+ lxp_userdata *xpu = checkparser(L, 1);
+ lua_rawgeti(L, LUA_REGISTRYINDEX, xpu->tableref);
+ return 1;
+}
+
+
+static int parse_aux (lua_State *L, lxp_userdata *xpu, const char *s,
+ size_t len) {
+ luaL_Buffer b;
+ int status;
+ xpu->L = L;
+ xpu->state = XPSok;
+ xpu->b = &b;
+ lua_settop(L, 2);
+ lua_rawgeti(L, LUA_REGISTRYINDEX, xpu->tableref); /*lua_getref(L, xpu->tableref);*/ /* to be used by handlers */
+ status = XML_Parse(xpu->parser, s, (int)len, s == NULL);
+ if (xpu->state == XPSstring) dischargestring(xpu);
+ if (xpu->state == XPSerror) { /* callback error? */
+ lua_rawgeti(L, LUA_REGISTRYINDEX, xpu->tableref); /* get original msg. */
+ lua_error(L);
+ }
+ if (s == NULL) xpu->state = XPSfinished;
+ if (status) {
+ lua_pushboolean(L, 1);
+ return 1;
+ }
+ else { /* error */
+ return reporterror(xpu);
+ }
+}
+
+
+static int lxp_parse (lua_State *L) {
+ lxp_userdata *xpu = checkparser(L, 1);
+ size_t len;
+ const char *s = luaL_optlstring(L, 2, NULL, &len);
+ if (xpu->state == XPSfinished && s != NULL) {
+ lua_pushnil(L);
+ lua_pushliteral(L, "cannot parse - document is finished");
+ return 2;
+ }
+ return parse_aux(L, xpu, s, len);
+}
+
+
+static int lxp_close (lua_State *L) {
+ int status = 1;
+ lxp_userdata *xpu = (lxp_userdata *)luaL_checkudata(L, 1, ParserType);
+ luaL_argcheck(L, xpu, 1, "expat parser expected");
+ if (xpu->state != XPSfinished)
+ status = parse_aux(L, xpu, NULL, 0);
+ lxpclose(L, xpu);
+ if (status > 1) luaL_error(L, "error closing parser: %s",
+ lua_tostring(L, -status+1));
+ return 0;
+}
+
+
+static int lxp_pos (lua_State *L) {
+ lxp_userdata *xpu = checkparser(L, 1);
+ XML_Parser p = xpu->parser;
+ lua_pushnumber(L, XML_GetCurrentLineNumber(p));
+ lua_pushnumber(L, XML_GetCurrentColumnNumber(p) + 1);
+ lua_pushnumber(L, XML_GetCurrentByteIndex(p) + 1);
+ return 3;
+}
+
+
+static int lxp_setencoding (lua_State *L) {
+ lxp_userdata *xpu = checkparser(L, 1);
+ const char *encoding = luaL_checkstring(L, 2);
+ luaL_argcheck(L, xpu->state == XPSpre, 1, "invalid parser state");
+ XML_SetEncoding(xpu->parser, encoding);
+ return 0;
+}
+
+static int lxp_stop (lua_State *L) {
+ lxp_userdata *xpu = checkparser(L, 1);
+ lua_pushboolean(L, XML_StopParser(xpu->parser, XML_FALSE) == XML_STATUS_OK);
+ return 1;
+}
+
+#if !defined LUA_VERSION_NUM
+/* Lua 5.0 */
+#define luaL_Reg luaL_reg
+#endif
+
+static const struct luaL_Reg lxp_meths[] = {
+ {"parse", lxp_parse},
+ {"close", lxp_close},
+ {"__gc", parser_gc},
+ {"pos", lxp_pos},
+ {"setencoding", lxp_setencoding},
+ {"getcallbacks", getcallbacks},
+ {"getbase", getbase},
+ {"setbase", setbase},
+ {"stop", lxp_stop},
+ {NULL, NULL}
+};
+
+static const struct luaL_Reg lxp_funcs[] = {
+ {"new", lxp_make_parser},
+ {NULL, NULL}
+};
+
+
+/*
+** Assumes the table is on top of the stack.
+*/
+static void set_info (lua_State *L) {
+ lua_pushliteral (L, "_COPYRIGHT");
+ lua_pushliteral (L, "Copyright (C) 2003-2012 Kepler Project");
+ lua_settable (L, -3);
+ lua_pushliteral (L, "_DESCRIPTION");
+ lua_pushliteral (L, "LuaExpat is a SAX XML parser based on the Expat library");
+ lua_settable (L, -3);
+ lua_pushliteral (L, "_VERSION");
+ lua_pushliteral (L, "LuaExpat 1.3.0");
+ lua_settable (L, -3);
+}
+
+
+#if !defined LUA_VERSION_NUM || LUA_VERSION_NUM==501
+/*
+** Adapted from Lua 5.2.0
+*/
+static void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
+ luaL_checkstack(L, nup, "too many upvalues");
+ for (; l->name != NULL; l++) { /* fill the table with given functions */
+ int i;
+ for (i = 0; i < nup; i++) /* copy upvalues to the top */
+ lua_pushvalue(L, -nup);
+ lua_pushstring(L, l->name);
+ lua_pushcclosure(L, l->func, nup); /* closure with those upvalues */
+ lua_settable(L, -(nup + 3));
+ }
+ lua_pop(L, nup); /* remove upvalues */
+}
+#endif
+
+
+int luaopen_lxp (lua_State *L) {
+ luaL_newmetatable(L, ParserType);
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, -2);
+ lua_rawset(L, -3);
+
+ luaL_setfuncs (L, lxp_meths, 0);
+ lua_pop (L, 1); /* remove metatable */
+
+ // _X 2013_04_09: Modified to allow embedding
+ luaL_openlib (L, "lxp", lxp_funcs, 0);
+ /*
+ lua_newtable (L);
+ luaL_setfuncs (L, lxp_funcs, 0);
+ */
+ set_info (L);
+ return 1;
+}
diff --git a/lib/luaexpat/lxplib.h b/lib/luaexpat/lxplib.h
new file mode 100644
index 000000000..9c0be4f78
--- /dev/null
+++ b/lib/luaexpat/lxplib.h
@@ -0,0 +1,24 @@
+/*
+** See Copyright Notice in license.html
+*/
+
+#define ParserType "Expat"
+
+#define StartCdataKey "StartCdataSection"
+#define EndCdataKey "EndCdataSection"
+#define CharDataKey "CharacterData"
+#define CommentKey "Comment"
+#define DefaultKey "Default"
+#define DefaultExpandKey "DefaultExpand"
+#define StartElementKey "StartElement"
+#define EndElementKey "EndElement"
+#define ExternalEntityKey "ExternalEntityRef"
+#define StartNamespaceDeclKey "StartNamespaceDecl"
+#define EndNamespaceDeclKey "EndNamespaceDecl"
+#define NotationDeclKey "NotationDecl"
+#define NotStandaloneKey "NotStandalone"
+#define ProcessingInstructionKey "ProcessingInstruction"
+#define UnparsedEntityDeclKey "UnparsedEntityDecl"
+#define StartDoctypeDeclKey "StartDoctypeDecl"
+
+int luaopen_lxp (lua_State *L);