1 files changed, 127 insertions, 0 deletions
diff --git a/utils/synutils.h b/utils/synutils.h
new file mode 100644
index 00000000..ef7b78b7
--- /dev/null
+++ b/utils/synutils.h
@@ -0,0 +1,127 @@
+/*
+ * utility.h
+ *
+ *  Created on: Jun 24, 2013
+ *      Author: lijunhui
+ */
+
+#ifndef UTILITY_H_
+#define UTILITY_H_
+
+#include <zlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <string>
+#include <unordered_map>
+
+using namespace std;
+
+typedef std::unordered_map<std::string, int> MapString2Int;
+typedef std::unordered_map<std::string, float> MapString2Float;
+typedef std::unordered_map<std::string, float>::iterator
+    MapString2FloatIterator;
+
+using namespace std;
+
+struct SFReader {
+  SFReader() {}
+  virtual ~SFReader() {}
+
+  virtual bool fnReadNextLine(char* pszLine, int* piLength) = 0;
+  virtual bool fnReadNextLine(string& strLine) = 0;
+};
+
+struct STxtFileReader : public SFReader {
+  STxtFileReader(const char* pszFname) {
+    m_fpIn = fopen(pszFname, "r");
+    assert(m_fpIn != NULL);
+  }
+  ~STxtFileReader() {
+    if (m_fpIn != NULL) fclose(m_fpIn);
+  }
+
+  bool fnReadNextLine(char* pszLine, int* piLength) {
+    if (feof(m_fpIn) == true) return false;
+
+    int iLen;
+
+    pszLine[0] = '\0';
+
+    fgets(pszLine, 10001, m_fpIn);
+    iLen = strlen(pszLine);
+    if (iLen == 0) return false;
+    while (iLen > 0 && pszLine[iLen - 1] > 0 && pszLine[iLen - 1] < 33) {
+      pszLine[iLen - 1] = '\0';
+      iLen--;
+    }
+
+    if (piLength != NULL) (*piLength) = iLen;
+
+    return true;
+  }
+
+  bool fnReadNextLine(string& strLine) {
+    char* pszLine = new char[10001];
+    bool bOut = fnReadNextLine(pszLine, NULL);
+    if (bOut)
+      strLine = string(pszLine);
+    else
+      strLine = string("");
+    delete[] pszLine;
+
+    return bOut;
+  }
+
+ private:
+  FILE* m_fpIn;
+};
+
+struct SGZFileReader : public SFReader {
+  SGZFileReader(const char* pszFname) {
+    m_fpIn = gzopen(pszFname, "r");
+    assert(m_fpIn != NULL);
+  }
+  ~SGZFileReader() {
+    if (m_fpIn != NULL) gzclose(m_fpIn);
+  }
+
+  bool fnReadNextLine(char* pszLine, int* piLength) {
+    if (m_fpIn == NULL) exit(0);
+    if (gzeof(m_fpIn) == true) return false;
+
+    int iLen;
+
+    pszLine[0] = '\0';
+
+    gzgets(m_fpIn, pszLine, 10001);
+    iLen = strlen(pszLine);
+    while (iLen > 0 && pszLine[iLen - 1] > 0 && pszLine[iLen - 1] < 33) {
+      pszLine[iLen - 1] = '\0';
+      iLen--;
+    }
+
+    if (piLength != NULL) (*piLength) = iLen;
+
+    return true;
+  }
+
+  bool fnReadNextLine(string& strLine) {
+    char* pszLine = new char[10001];
+    bool bOut = fnReadNextLine(pszLine, NULL);
+    if (bOut)
+      strLine = string(pszLine);
+    else
+      strLine = string("");
+    delete[] pszLine;
+
+    return bOut;
+  }
+
+ private:
+  gzFile m_fpIn;
+};
+
+#endif /* UTILITY_H_ */