init

examples/bdiff.cpp

@@ -0,0 +1,73 @@
+
+#include <dtl/dtl.hpp>
+#include "common.hpp"
+
+#include <iostream>
+#include <vector>
+#include <string>
+#include <cstdio>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif // HAVE_UNISTD_H
+
+using namespace std;
+
+using dtl::Diff;
+
+typedef unsigned char  elem;
+typedef vector< elem > sequence;
+
+static int create_byte_seq(const char *fs, sequence& seq);
+static int create_byte_seq(const char *fs, sequence& seq)
+{
+    int  fd;
+    int  siz;
+    elem buf[BUFSIZ];
+    if ((fd = open(fs, O_RDONLY)) == -1) {
+        cout << "Opening failed." << endl;
+        return -1;
+    }
+    while ((siz = read(fd, buf, sizeof(buf))) > 0) {
+        for (int i=0;i<siz;++i) {
+            seq.push_back(buf[i]);
+        }
+    }
+    if (siz < 0) {
+        close(fd);
+        cout << "Read error." << endl;
+        return -1;
+    }
+    close(fd);
+    return 0;
+}
+
+int main(int argc, char *argv[])
+{
+    
+    if (isFewArgs(argc)) {
+        cerr << "Too few arguments." << endl;
+        return -1;
+    }
+    
+    string   fs1(argv[1]);
+    string   fs2(argv[2]);
+    sequence seq1;
+    sequence seq2;
+    
+    create_byte_seq(fs1.c_str(), seq1);
+    create_byte_seq(fs2.c_str(), seq2);
+    
+    Diff< elem, sequence > d(seq1, seq2);
+    d.compose();
+
+    if (d.getEditDistance() == 0) {
+        cout << fs1 << " is the same as "    << fs2 << endl;
+    } else {
+        cout << fs1 << " is different from " << fs2 << endl;
+    }
+    
+    return 0;
+}