added bins

CMakeLists.txt

@@ -52,7 +52,15 @@ target_include_directories(datetime PUBLIC
   $<INSTALL_INTERFACE:include/datetime>
 )
 
-add_subdirectory(src)
+add_subdirectory(src/lib)
+
+# add executables
+add_executable(ymd2mjd src/bin/ymd2mjd.cpp)
+target_link_libraries(ymd2mjd PRIVATE datetime)
+add_executable(mjd2ymd src/bin/mjd2ymd.cpp)
+target_link_libraries(mjd2ymd PRIVATE datetime)
+add_executable(mjd2ydoy src/bin/mjd2ydoy.cpp)
+target_link_libraries(mjd2ydoy PRIVATE datetime)
 
 # disable clang-tidy (targets that follow will not be checked)
 set(CMAKE_CXX_CLANG_TIDY "")

src/bin/mjd2ydoy.cpp

@@ -0,0 +1,87 @@
+#include "calendar.hpp"
+#include "datetime_write.hpp"
+#include <cstdio>
+#include <exception>
+#include <cstring>
+#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
+#include <unistd.h>
+#endif
+
+constexpr const int MAX_ERRORS_ALLOWED = 10;
+
+/* help message */
+void prhelp() {
+  printf(
+      "jd2ydoy: Transform a date from Modified Julian Day to calendar date, "
+      "i.e.\n\"YYYYdDDD\". The program expects the read a Modified Julian "
+      "Day string\n(actually an integral value) from STDIN (or multiple MJDs, "
+      "seperated by\nnewlines) and will print results on STDOUT. The MJD string" 
+      " can be followed by\nany number of remaining characters that will be "
+      "ignored.\n\nOptions:\n[-h] "
+      "help message\n\tprint (this) message and exit.\n[-e] "
+      "MAX_ERRORS_ALLOWED\n\tMaximum number of errors allowed (i.e. date "
+      "strings that where not\n\tparsed correctly). Default values is %d\n\n"
+      "\n\nWarnings:\n\t* Command line options are only available on POSIX "
+      "systems.\n\nDionysos Satellite Observatory\nNational Technical "
+      "University of "
+      "Athens\nhttps://github.com/DSOlab/ggdatetime\n",
+      MAX_ERRORS_ALLOWED);
+  return;
+}
+
+int main(int argc, char *argv[]) {
+  char line[124];
+  char buf[64];
+  int mjd;
+  char c;
+  int error = 0, cer = 0;
+  int max_errors_allowed = MAX_ERRORS_ALLOWED;
+
+#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
+  /* parse command line arguments */
+  while ((c = getopt(argc, argv, "he:")) != -1) {
+    switch (c) {
+      case 'h':
+        prhelp();
+        return 0;
+      case 'e':
+        max_errors_allowed = atoi(optarg);
+        break;
+      default:
+        fprintf(stderr, "Usage: %s [-e MAX_ERRORS_ALLOWED]\n", argv[0]);
+        return 1;
+    } /* switch c */
+  }
+#endif
+
+  while (fgets(line, sizeof(line), stdin) && (error<max_errors_allowed)) {
+    if (1 == sscanf(line, "%d", &mjd)) {
+      dso::modified_julian_day m(mjd);
+      const auto ymd = m.to_ymd();
+      try {
+        if (dso::SpitDate<dso::YMDFormat::YYYYDDD>::spit(ymd, buf) !=
+            dso::SpitDate<dso::YMDFormat::YYYYDDD>::numChars) {
+          ++error;
+        } else {
+          printf("%s\n", buf);
+        }
+      } catch (std::exception &) {
+        ++error;
+      }
+    } else {
+      ++error;
+    }
+
+    if (error > cer) {
+      fprintf(stderr, "ERROR. Failed parsing/transforming line: %s\n", line);
+      ++cer;
+    }
+  }
+
+  if (error>=max_errors_allowed) {
+    fprintf(stderr, "Too many errors, giving up!\n");
+    return 1;
+  }
+
+  return 0;
+}

src/bin/mjd2ymd.cpp

@@ -0,0 +1,87 @@
+#include "calendar.hpp"
+#include "datetime_write.hpp"
+#include <cstdio>
+#include <exception>
+#include <cstring>
+#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
+#include <unistd.h>
+#endif
+
+constexpr const int MAX_ERRORS_ALLOWED = 10;
+
+/* help message */
+void prhelp() {
+  printf(
+      "jd2ymd: Transform a date from Modified Julian Day to calendar date, "
+      "i.e.\n\"YYYYdMMdDD\". The program expects the read a Modified Julian "
+      "Day string\n(actually an integral value) from STDIN (or multiple MJDs, "
+      "seperated by\nnewlines) and will print results on STDOUT. The MJD string" 
+      " can be followed by\nany number of remaining characters that will be "
+      "ignored.\n\nOptions:\n[-h] "
+      "help message\n\tprint (this) message and exit.\n[-e] "
+      "MAX_ERRORS_ALLOWED\n\tMaximum number of errors allowed (i.e. date "
+      "strings that where not\n\tparsed correctly). Default values is %d\n\n"
+      "\n\nWarnings:\n\t* Command line options are only available on POSIX "
+      "systems.\n\nDionysos Satellite Observatory\nNational Technical "
+      "University of "
+      "Athens\nhttps://github.com/DSOlab/ggdatetime\n",
+      MAX_ERRORS_ALLOWED);
+  return;
+}
+
+int main(int argc, char *argv[]) {
+  char line[124];
+  char buf[64];
+  int mjd;
+  char c;
+  int error = 0, cer = 0;
+  int max_errors_allowed = MAX_ERRORS_ALLOWED;
+
+#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
+  /* parse command line arguments */
+  while ((c = getopt(argc, argv, "he:")) != -1) {
+    switch (c) {
+      case 'h':
+        prhelp();
+        return 0;
+      case 'e':
+        max_errors_allowed = atoi(optarg);
+        break;
+      default:
+        fprintf(stderr, "Usage: %s [-e MAX_ERRORS_ALLOWED]\n", argv[0]);
+        return 1;
+    } /* switch c */
+  }
+#endif
+
+  while (fgets(line, sizeof(line), stdin) && (error<max_errors_allowed)) {
+    if (1 == sscanf(line, "%d", &mjd)) {
+      dso::modified_julian_day m(mjd);
+      const auto ymd = m.to_ymd();
+      try {
+        if (dso::SpitDate<dso::YMDFormat::YYYYMMDD>::spit(ymd, buf) !=
+            dso::SpitDate<dso::YMDFormat::YYYYMMDD>::numChars) {
+          ++error;
+        } else {
+          printf("%s\n", buf);
+        }
+      } catch (std::exception &) {
+        ++error;
+      }
+    } else {
+      ++error;
+    }
+
+    if (error > cer) {
+      fprintf(stderr, "ERROR. Failed parsing/transforming line: %s\n", line);
+      ++cer;
+    }
+  }
+
+  if (error>=max_errors_allowed) {
+    fprintf(stderr, "Too many errors, giving up!\n");
+    return 1;
+  }
+
+  return 0;
+}

src/bin/ymd2mjd.cpp

@@ -0,0 +1,88 @@
+#include "calendar.hpp"
+#include <cstdio>
+#include <exception>
+#include <cstring>
+#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
+#include <unistd.h>
+#endif
+
+constexpr const int MAX_ERRORS_ALLOWED = 10;
+
+/* help message */
+void prhelp() {
+  printf(
+      "ymd2mjd: Transform a date given as  \"YYYYdMMdDD\" to Modified Julian "
+      "Day. The\ncharacter \"d\" in the date string can be any character you "
+      "want,\nexcept from a numeric value. The program expects the read a date "
+      "string\nfrom STDIN (or multuple date strings, seperated by newlines) "
+      "and "
+      "will\nprint results on STDOUT.\nThe date string can be followed by any "
+      "numberof remaining characters\nthat will be ignored.\n\nExample "
+      "Usage:\n$>cat "
+      "dates\n2014:01:09\n2014:01:9\n2014:1:09\n2014:01:08\n2014:01:07\n2014:"
+      "01:0 // ERROR\n2014:01:1\n2014T01:1\n2014TT01:1 //ERROR\n2014:01:1with "
+      "some string\n2014/01/1with some string\n$>cat dates | "
+      "ymd2mjd\n56666\n56666\n56666\n56665\n56664\nERROR. Failed "
+      "parsing/transforming line: 2014:01:0\n\n56658\n56658\nERROR. Failed "
+      "parsing/transforming line: 2014TT01:1\n\n56658\n56658\n\nOptions:\n[-h] "
+      "help message\n\tprint (this) message and exit.\n[-e] "
+      "MAX_ERRORS_ALLOWED\n\tMaximum number of errors allowed (i.e. date "
+      "strings that where not\n\tparsed correctly). Default values is %d\n\n"
+      "\n\nWarnings:\n\t* Command line options are only available on POSIX "
+      "systems.\n\nDionysos Satellite "
+      "Observatory\nNational Technical University of "
+      "Athens\nhttps://github.com/DSOlab/ggdatetime\n",
+      MAX_ERRORS_ALLOWED);
+  return;
+}
+
+int main(int argc, char *argv[]) {
+  char line[124];
+  int yr, mn, dm;
+  char c;
+  int error = 0, cer = 0;
+  int max_errors_allowed = MAX_ERRORS_ALLOWED;
+
+#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
+  /* parse command line arguments */
+  while ((c = getopt(argc, argv, "he:")) != -1) {
+    switch (c) {
+      case 'h':
+        prhelp();
+        return 0;
+      case 'e':
+        max_errors_allowed = atoi(optarg);
+        break;
+      default:
+        fprintf(stderr, "Usage: %s [-e MAX_ERRORS_ALLOWED]\n", argv[0]);
+        return 1;
+    } /* switch c */
+  }
+#endif
+
+  while (fgets(line, sizeof(line), stdin) && (error<max_errors_allowed)) {
+    if (5 == sscanf(line, "%d%c%d%c%d", &yr, &c, &mn, &c, &dm)) {
+      try {
+      printf("%d\n", dso::modified_julian_day(dso::year(yr), dso::month(mn),
+                                              dso::day_of_month(dm))
+                         .as_underlying_type());
+      } catch (std::exception &) {
+        ++error;
+      }
+    } else {
+      ++error;
+    }
+
+    if (error > cer) {
+      fprintf(stderr, "ERROR. Failed parsing/transforming line: %s\n", line);
+      ++cer;
+    }
+  }
+
+  if (error>=max_errors_allowed) {
+    fprintf(stderr, "Too many errors, giving up!\n");
+    return 1;
+  }
+
+  return 0;
+}

src/lib/CMakeLists.txt

@@ -0,0 +1,13 @@
+target_sources(datetime
+  PRIVATE
+    ${CMAKE_SOURCE_DIR}/src/lib/dat.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/datetime_io_core.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/modified_julian_day.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/month.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/strmonth.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/tpdateutc.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/twopartdates.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/utc2tai.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/ydoy_date.cpp
+    ${CMAKE_SOURCE_DIR}/src/lib/ymd_date.cpp
+)