1 files changed, 81 insertions, 0 deletions
diff --git a/benchmarks/RapidXML/bench.cpp b/benchmarks/RapidXML/bench.cpp
new file mode 100644
index 0000000..c057203
--- /dev/null
+++ b/benchmarks/RapidXML/bench.cpp
@@ -0,0 +1,81 @@
+#include <fstream>
+#include <vector>
+
+#include "../harness.h"
+
+std::vector<char> load_file(char const* const path, size_t* const buf_size) {
+    std::ifstream file(path, std::ios::binary | std::ios::ate);
+    if (!file) {
+        *buf_size = 0;
+        return {};
+    }
+    std::streamsize size = file.tellg();
+    file.seekg(0, std::ios::beg);
+
+    std::vector<char> buffer(static_cast<size_t>(size));
+    if (!file.read(buffer.data(), size)) {
+        *buf_size = 0;
+        return {};
+    }
+
+    *buf_size = buffer.size();
+    buffer.push_back(0); // null terminator
+    return buffer;
+}
+
+size_t count_highway_crossings (char* buffer, size_t len);
+size_t count_highway_crossings_cheat_and_early_out (char* buffer, size_t len);
+size_t pubmed_len (char* buffer, size_t len);
+size_t pubmed_len_with_entities (char* buffer, size_t len);
+
+int main (void) {
+    FILE* out = fopen("benchmark-results.xml", "wb");
+    if (!out) goto err;
+
+    fprintf(out,
+        "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+        "<benchmarks library=\"RapidXML\">\n"
+    );
+
+    size_t buf_size;
+
+    if (true) {
+        auto buf = load_file("../../dat/yellowstone.osm", &buf_size);
+        char* buffer = buf.data();
+        if (!buf_size) goto err;
+        bench(count_highway_crossings);
+
+        buf = load_file("../../dat/yellowstone.osm", &buf_size);
+        buffer = buf.data();
+        if (!buf_size) goto err;
+        bench(count_highway_crossings_cheat_and_early_out);
+    }
+
+    if (true) {
+        {
+        auto buf = load_file("../../dat/PMC176545.xml", &buf_size);
+        char* buffer = buf.data();
+        if (!buf_size) goto err;
+        bench(pubmed_len);
+        }
+        {
+        auto buf = load_file("../../dat/PMC176545.xml", &buf_size);
+        char* buffer = buf.data();
+        if (!buf_size) goto err;
+        bench(pubmed_len_with_entities);
+        }
+    }
+
+    fprintf(out,
+        "</benchmarks>\n\n"
+    );
+
+    goto noerr;
+    err:
+    if (out) fclose(out);
+    fprintf(stderr, "ERROR\n");
+    return -1;
+    noerr:
+    return 0;
+}
+