-/*
- * Copyright 2001-2007 Internet2
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the University Corporation for Advanced Internet
+ * Development, Inc. (UCAID) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * UCAID licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the
+ * License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
*/
/**
* TemplateEngine.cpp
- *
- * Simple template replacement engine.
+ *
+ * Simple template replacement engine.
*/
#include "internal.h"
+#include "io/GenericRequest.h"
#include "util/TemplateEngine.h"
-#include <ctime>
+#include <boost/algorithm/string/trim.hpp>
using namespace xmltooling;
using namespace std;
+using boost::trim;
+
+namespace {
+ static const pair<const string,string> emptyPair;
+}
+
+TemplateEngine::TemplateEngine()
+{
+ setTagPrefix("mlp");
+}
+
+TemplateEngine::~TemplateEngine()
+{
+}
+
+TemplateEngine::TemplateParameters::TemplateParameters() : m_request(nullptr)
+{
+}
+
+TemplateEngine::TemplateParameters::~TemplateParameters()
+{
+}
+
+const char* TemplateEngine::TemplateParameters::getParameter(const char* name) const
+{
+ map<string,string>::const_iterator i=m_map.find(name);
+ return (i!=m_map.end() ? i->second.c_str() : (m_request ? m_request->getParameter(name) : nullptr));
+}
+
+const multimap<string,string>* TemplateEngine::TemplateParameters::getLoopCollection(const char* name) const
+{
+ map< string,multimap<string,string> >::const_iterator i=m_collectionMap.find(name);
+ return (i!=m_collectionMap.end() ? &(i->second) : nullptr);
+}
void TemplateEngine::setTagPrefix(const char* tagPrefix)
{
ifnottag = string("<") + tagPrefix + "ifnot ";
ifendtag = string("</") + tagPrefix + "if>";
ifnotendtag = string("</") + tagPrefix + "ifnot>";
+ fortag = string("<") + tagPrefix + "for ";
+ forendtag = string("</") + tagPrefix + "for>";
}
+string TemplateEngine::unsafe_chars = "#%&():[]\\`{}";
+
void TemplateEngine::html_encode(ostream& os, const char* start) const
{
while (start && *start) {
case '<': os << "<"; break;
case '>': os << ">"; break;
case '"': os << """; break;
- case '#': os << "#"; break;
- case '%': os << "%"; break;
case '&': os << "&"; break;
case '\'': os << "'"; break;
+
+ default:
+ if (unsafe_chars.find_first_of(*start) != string::npos)
+ os << "&#" << static_cast<short>(*start) << ';';
+ else
+ os << *start;
+
+ /*
+ case '#': os << "#"; break;
+ case '%': os << "%"; break;
case '(': os << "("; break;
case ')': os << ")"; break;
case ':': os << ":"; break;
case '{': os << "{"; break;
case '}': os << "}"; break;
default: os << *start;
+ */
}
start++;
}
}
-void TemplateEngine::trimspace(string& s) const
-{
- string::size_type end = s.size() - 1, start = 0;
-
- // Trim stuff on right.
- while (end > 0 && !isgraph(s[end])) end--;
-
- // Trim stuff on left.
- while (start < end && !isgraph(s[start])) start++;
-
- // Modify the string.
- s = s.substr(start, end - start + 1);
-}
-
void TemplateEngine::process(
bool visible,
const string& buf,
const char*& lastpos,
ostream& os,
const TemplateParameters& parameters,
+ const pair<const string,string>& loopentry,
const XMLToolingException* e
) const
{
- // Create a timestamp
- time_t now = time(NULL);
-#ifdef HAVE_CTIME_R
- char nowbuf[32];
- ctime_r(&now);
-#else
- const char* nowbuf = ctime(&now);
-#endif
-
const char* line = buf.c_str();
const char* thispos;
- while ((thispos = strchr(lastpos, '<')) != NULL) {
+ while ((thispos = strchr(lastpos, '<')) != nullptr) {
// Output the string up to this token.
if (visible)
os << buf.substr(lastpos-line, thispos-lastpos);
-
+
// Make sure this token matches our tokens.
#ifdef HAVE_STRCASECMP
if (visible && !strncasecmp(thispos, keytag.c_str(), keytag.length()))
{
// Save this position off.
lastpos = thispos + keytag.length();
-
+
// search for the end-tag
- if ((thispos = strstr(lastpos, "/>")) != NULL) {
+ if ((thispos = strstr(lastpos, "/>")) != nullptr) {
string key = buf.substr(lastpos-line, thispos-lastpos);
- trimspace(key);
-
- const char* p = parameters.getParameter(key.c_str());
- if (!p && e)
- p = e->getProperty(key.c_str());
- if (p)
- html_encode(os,p);
+ trim(key);
+
+ if (key == "$name" && !loopentry.first.empty())
+ html_encode(os,loopentry.first.c_str());
+ else if (key == "$value" && !loopentry.second.empty())
+ html_encode(os,loopentry.second.c_str());
+ else {
+ const char* p = parameters.getParameter(key.c_str());
+ if (!p && e)
+ p = e->getProperty(key.c_str());
+ if (p)
+ html_encode(os,p);
+ }
lastpos = thispos + 2; // strlen("/>")
}
}
{
// Save this position off.
lastpos = thispos + iftag.length();
-
+
// search for the end of this tag
- if ((thispos = strchr(lastpos, '>')) != NULL) {
+ if ((thispos = strchr(lastpos, '>')) != nullptr) {
string key = buf.substr(lastpos-line, thispos-lastpos);
- trimspace(key);
+ trim(key);
bool cond=false;
if (visible)
cond = parameters.getParameter(key.c_str()) || (e && e->getProperty(key.c_str()));
lastpos = thispos + 1; // strlen(">")
- process(cond, buf, lastpos, os, parameters, e);
+ process(cond, buf, lastpos, os, parameters, loopentry, e);
}
}
#ifdef HAVE_STRCASECMP
{
// Save this position off.
lastpos = thispos + ifnottag.length();
-
+
// search for the end of this tag
- if ((thispos = strchr(lastpos, '>')) != NULL) {
+ if ((thispos = strchr(lastpos, '>')) != nullptr) {
string key = buf.substr(lastpos-line, thispos-lastpos);
- trimspace(key);
+ trim(key);
bool cond=visible;
if (visible)
cond = !(parameters.getParameter(key.c_str()) || (e && e->getProperty(key.c_str())));
lastpos = thispos + 1; // strlen(">")
- process(cond, buf, lastpos, os, parameters, e);
+ process(cond, buf, lastpos, os, parameters, loopentry, e);
}
}
#ifdef HAVE_STRCASECMP
lastpos = thispos + ifnotendtag.length();
return;
}
+
+#ifdef HAVE_STRCASECMP
+ else if (!strncasecmp(thispos, fortag.c_str(), fortag.length()))
+#else
+ else if (!_strnicmp(thispos, fortag.c_str(), fortag.length()))
+#endif
+ {
+ // Save this position off.
+ lastpos = thispos + iftag.length();
+ string key;
+ bool cond = visible;
+
+ // search for the end of this tag
+ if ((thispos = strchr(lastpos, '>')) != nullptr) {
+ key = buf.substr(lastpos-line, thispos-lastpos);
+ trim(key);
+ lastpos = thispos + 1; // strlen(">")
+ }
+
+ const multimap<string,string>* forParams = parameters.getLoopCollection(key.c_str());
+ if (!forParams || forParams->size() == 0) {
+ process(false, buf, lastpos, os, parameters, emptyPair, e);
+ }
+ else {
+ const char* savlastpos = lastpos;
+ for (multimap<string,string>::const_iterator i=forParams->begin(); i!=forParams->end(); ++i) {
+ lastpos = savlastpos;
+ process(cond, buf, lastpos, os, parameters, *i, e);
+ }
+ }
+ }
+
+#ifdef HAVE_STRCASECMP
+ else if (!strncasecmp(thispos, forendtag.c_str(), forendtag.length()))
+#else
+ else if (!_strnicmp(thispos, forendtag.c_str(), forendtag.length()))
+#endif
+ {
+ // Save this position off and pop the stack.
+ lastpos = thispos + forendtag.length();
+ return;
+ }
+
else {
// Skip it.
if (visible)
string buf,line;
while (getline(is, line))
buf += line + '\n';
-
+
const char* pos=buf.c_str();
- process(true, buf, pos, os, parameters, e);
+ process(true, buf, pos, os, parameters, emptyPair, e);
}