1 files changed, 102 insertions, 0 deletions
diff --git a/src/log2xml/log2xml.cc b/src/log2xml/log2xml.cc
new file mode 100644
index 000000000000..711fc82b89cf
--- /dev/null
+++ b/src/log2xml/log2xml.cc
@@ -0,0 +1,102 @@
+#include <iostream>
+#include <cstdio>
+#include <string>
+
+using namespace std;
+
+
+struct Decoder
+{
+    enum { stTop, stEscape, stCSI } state;
+    string line;
+    bool inHeader;
+    int level;
+
+    Decoder()
+    {
+        state = stTop;
+        line = "";
+        inHeader = false;
+        level = 0;
+    }
+
+    void pushChar(char c);
+
+    void finishLine();
+};
+
+
+void Decoder::pushChar(char c)
+{
+    switch (state) {
+        
+        case stTop:
+            if (c == '\e') {
+                state = stEscape;
+            } else if (c == '\n') {
+                finishLine();
+            } else if (c == '<')
+                line += "&lt;";
+            else if (c == '&')
+                line += "&amp;";
+            else
+                line += c;
+            break;
+
+        case stEscape:
+            if (c == '[')
+                state = stCSI;
+            else
+                state = stTop; /* !!! wrong */
+            break;
+
+        case stCSI:
+            if (c >= 0x40 && c != 0x7e) {
+                state = stTop;
+                switch (c) {
+                    case 'p':
+                        if (line.size()) finishLine();
+                        level++;
+                        inHeader = true;
+                        cout << "<nest>" << endl;
+                        break;
+                    case 'q':
+                        if (line.size()) finishLine();
+                        if (level > 0) {
+                            level--;
+                            cout << "</nest>" << endl;
+                        } else
+                            cerr << "not enough nesting levels" << endl;
+                        break;
+                }
+            }
+            break;
+            
+    }
+}
+
+
+void Decoder::finishLine()
+{
+    string tag = inHeader ? "head" : "line";
+    cout << "<" << tag << ">";
+    cout << line;
+    cout << "</" << tag << ">" << endl;
+    line = "";
+    inHeader = false;
+}
+
+
+int main(int argc, char * * argv)
+{
+    Decoder dec;
+    int c;
+
+    cout << "<logfile>" << endl;
+    
+    while ((c = getchar()) != EOF) {
+        dec.pushChar(c);
+    }
+
+    cout << "</logfile>" << endl;
+}