1 files changed, 81 insertions, 0 deletions
diff --git a/src/xml_util.cc b/src/xml_util.cc
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--- /dev/null
+++ b/src/xml_util.cc
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+/**
+ * Copyright (c) 2021, Timothy Stack
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of Timothy Stack nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "xml_util.hh"
+
+#include "config.h"
+#include "fmtlib/fmt/format.h"
+
+namespace lnav {
+namespace pugixml {
+
+std::string
+get_actual_path(const pugi::xml_node& node)
+{
+    std::string retval;
+    auto curr = node;
+
+    while (curr) {
+        switch (curr.type()) {
+            case pugi::node_null:
+                break;
+            case pugi::node_pcdata:
+                retval += "text()";
+                break;
+            default: {
+                auto name = std::string(curr.name());
+
+                if (curr.previous_sibling(curr.name())
+                    || curr.next_sibling(curr.name())) {
+                    auto sibling = curr;
+                    int index = 0;
+
+                    while (sibling) {
+                        index += 1;
+                        sibling = sibling.previous_sibling(curr.name());
+                    }
+
+                    name = fmt::format(FMT_STRING("{}[{}]"), name, index);
+                }
+                if (retval.empty()) {
+                    retval = name;
+                } else {
+                    retval = fmt::format(FMT_STRING("{}/{}"), name, retval);
+                }
+                break;
+            }
+        }
+        curr = curr.parent();
+    }
+
+    return retval;
+}
+
+}  // namespace pugixml
+}  // namespace lnav