git.sesse.net Git - xml-template/blob - c++0x/xml-template.cpp

   1 #include "xml-template.h"
   2
   3 #include <string.h>
   4
   5 using namespace std;
   6
   7 Replace::Replace(const string &str)
   8         : str(str) {}
   9
  10 void Replace::process(xmlNode *node, bool clean) {
  11         node->children = xmlNewTextLen(reinterpret_cast<const xmlChar *>(str.data()), str.size());
  12 }
  13
  14 Substitute::Substitute(const unordered_map<string, Directive*> &substitution_map)
  15         : substitution_map(substitution_map) {}
  16
  17 void Substitute::process(xmlNode *node, bool clean) {
  18         for (xmlNode *child = node->children; child != NULL; child = child->next) {
  19                 bool processed = false;
  20
  21                 if (child->type == XML_ELEMENT_NODE) {
  22                         // Find the ID, if any.
  23                         string id;
  24                         for (xmlAttr *attr = child->properties; attr != NULL; attr = attr->next) {
  25                                 if (strcmp(reinterpret_cast<const char *>(attr->ns->href), "http://template.sesse.net/") == 0 &&
  26                                     strcmp(reinterpret_cast<const char *>(attr->name), "id") == 0) {
  27                                         id = reinterpret_cast<const char *>(xmlNodeGetContent(attr->children));
  28                                 }
  29                         }
  30
  31                         // Check all substitutions to see if we found anything appropriate.
  32                         for (auto it : substitution_map) {
  33                                 if (it.first == reinterpret_cast<const char *>(child->name) ||
  34                                     (!id.empty() && it.first == ("#" + id))) {
  35                                         it.second->process(child, clean);
  36                                         processed = true;
  37                                         break;
  38                                 }
  39                         }
  40                 }
  41
  42                 if (!processed) {
  43                         process(child, clean);
  44                 }
  45         }
  46 }