noderef script

Makefile

@@ -34,9 +34,12 @@ LIB_XML2   = $(shell xml2-config --libs)
 LDFLAGS = $(LIB_EXPAT) $(LIB_PBF)
 
 PROGRAMS = \
+    noderef \
     count_addresses \
     count \
     osmgrep \
+    grep-user-from-history \
+    history-cleartext \
     add_timestamp \
     osmstats \
     lastnode
@@ -48,12 +51,21 @@ all: $(PROGRAMS)
 count_addresses: count_addresses.cpp
 	$(CXX) $(CXXFLAGS) $(CXXFLAGS_LIBXML2) -o $@ $< $(LDFLAGS) $(LIB_XML2)
 
+noderef: noderef.cpp
+	$(CXX) $(CXXFLAGS) $(CXXFLAGS_LIBXML2) -o $@ $< $(LDFLAGS) $(LIB_XML2)
+
 count: count.cpp
 	$(CXX) $(CXXFLAGS) $(CXXFLAGS_LIBXML2) -o $@ $< $(LDFLAGS) $(LIB_XML2)
 
 osmgrep: osmgrep.cpp
 	$(CXX) $(CXXFLAGS) $(CXXFLAGS_LIBXML2) -o $@ $< $(LDFLAGS) $(LIB_XML2)
 
+grep-user-from-history: grep-user-from-history.cpp
+	$(CXX) $(CXXFLAGS) $(CXXFLAGS_LIBXML2) -o $@ $< $(LDFLAGS) $(LIB_XML2)
+
+history-cleartext: history-cleartext.cpp
+	$(CXX) $(CXXFLAGS) $(CXXFLAGS_LIBXML2) -o $@ $< $(LDFLAGS) $(LIB_XML2)
+
 add_timestamp: add_timestamp.cpp
 	$(CXX) $(CXXFLAGS) $(CXXFLAGS_LIBXML2) -o $@ $< $(LDFLAGS) $(LIB_XML2)
 

noderef.cpp

@@ -0,0 +1,82 @@
+/*
+  Osmium-based tool that counts how often nodes are referenced.
+*/
+
+/*
+
+Written 2013 by Frederik Ramm <[email protected]>
+
+Public Domain.
+
+*/
+
+#include <limits>
+#include <iostream>
+
+#define OSMIUM_WITH_PBF_INPUT
+#define OSMIUM_WITH_XML_INPUT
+
+#define MAX_NODE_ID 4000000000
+
+#include <osmium.hpp>
+
+class RefHandler : public Osmium::Handler::Base {
+
+    unsigned char *ref;
+    uint64_t max_node_id;
+
+public:
+
+    RefHandler() 
+    {
+        ref = (unsigned char *) malloc(MAX_NODE_ID);
+        memset(ref, 0, MAX_NODE_ID);
+        max_node_id = 0;
+    }
+
+    void node(const shared_ptr<Osmium::OSM::Node const>& node) 
+    {
+        max_node_id = node->id();
+    }
+
+    void way(const shared_ptr<Osmium::OSM::Way const>& way) 
+    {
+        for (Osmium::OSM::WayNodeList::const_iterator i = way->nodes().begin(); i!= way->nodes().end(); i++)
+        {
+            if (ref[i->ref()] < 255) ref[i->ref()]++;
+        }
+    }
+
+    void after_ways() 
+    {
+        uint64_t count[256];
+        for (int i=0; i<256; i++) count[i]=0;
+        for (uint64_t i = 0; i <= max_node_id; i++)
+        {
+            count[ref[i]]++;
+        }
+        for (int i=0; i<256; i++) printf("%d,%ld\n", i, count[i]);
+        throw Osmium::Handler::StopReading();
+    }
+
+    void relation(__attribute__((__unused__)) const shared_ptr<Osmium::OSM::Relation const>& relation) 
+    {
+    }
+
+}; 
+
+
+int main(int argc, char *argv[]) 
+{
+    if (argc != 2)
+    {
+        std::cerr << "usage: " << argv[0] << " osmfile" << std::endl;
+        exit(1);
+    }
+    Osmium::OSMFile infile(argv[1]);
+    RefHandler handler;
+    Osmium::Input::read(infile, handler);
+
+    google::protobuf::ShutdownProtobufLibrary();
+}
+