wow. that was easy: git mv core nucleus

[feisty_meow.git] / nucleus / applications / utilities / bytedump.cpp

diff --git a/nucleus/applications/utilities/bytedump.cpp b/nucleus/applications/utilities/bytedump.cpp
new file mode 100644 (file)
index 0000000..a30d16d
--- /dev/null
+++ b/nucleus/applications/utilities/bytedump.cpp
@@ -0,0 +1,108 @@
+/*****************************************************************************\
+*                                                                             *
+*  Name   : dump_bytes                                                        *
+*  Author : Chris Koeritz                                                     *
+*                                                                             *
+*  Purpose:                                                                   *
+*                                                                             *
+*    Prints the files specified out in terms of their hex bytes.              *
+*                                                                             *
+*******************************************************************************
+* Copyright (c) 1991-$now By Author.  This program is free software; you can  *
+* redistribute it and/or modify it under the terms of the GNU General Public  *
+* License as published by the Free Software Foundation; either version 2 of   *
+* the License or (at your option) any later version.  This is online at:      *
+*     http://www.fsf.org/copyleft/gpl.html                                    *
+* Please send any updates to: fred@gruntose.com                               *
+\*****************************************************************************/
+
+#include <application/hoople_main.h>
+#include <basis/astring.h>
+#include <filesystem/byte_filer.h>
+#include <loggers/console_logger.h>
+#include <structures/static_memory_gremlin.h>
+#include <textual/byte_formatter.h>
+
+using namespace application;
+using namespace basis;
+using namespace loggers;
+using namespace filesystem;
+using namespace structures;
+using namespace textual;
+
+///HOOPLE_STARTUP_CODE;
+
+const int MAXIMUM_BYTEDUMP_BUFFER_SIZE = 32768;
+  // this is the size of the chunk we read from the files at a time.  it is
+  // important to make this a multiple of 16, since that's the size of the line
+  // we use in the byte dumping.
+
+#define console program_wide_logger::get()
+
+int print_instructions_and_exit(char *program_name)
+{
+  console.log(astring(astring::SPRINTF, "\n\
+Usage:\n\t%s filename [filename]\n\n\
+Prints out (on standard output) a abyte dump of the files specified.\n\n",
+      program_name), ALWAYS_PRINT);
+  return 12;
+}
+
+int main(int argc, char *argv[])
+{
+  SETUP_CONSOLE_LOGGER;
+
+  if (argc <= 1) return print_instructions_and_exit(argv[0]);
+  else {
+    int current_parameter = 0;
+/*
+    if (argv[1][0] == '-') {
+      if (argv[1][1] == 't') {
+        current_parameter++;
+        open_file_as_text = true;
+      } else if (argv[1][1] == 'b') {
+        current_parameter++;
+        open_file_as_text = false;
+      } else print_instructions_and_exit(argv[0]);
+    }
+*/
+    bool past_first_file = false;
+    while (++current_parameter < argc) {
+      if (past_first_file) {
+        // we're into the second file so start using some white space.
+        console.log(astring::empty_string(), ALWAYS_PRINT);
+        console.log(astring::empty_string(), ALWAYS_PRINT);
+      }
+      past_first_file = true;  // set condition for next time.
+      astring name = argv[current_parameter];
+      byte_filer current(name, "rb");
+      if (!current.good()) {
+        console.log(astring("Cannot find the file named \"") + name + astring("\"."),
+            ALWAYS_PRINT);
+        continue;
+      }
+      abyte buff[MAXIMUM_BYTEDUMP_BUFFER_SIZE + 10];
+        // buffer plus some extra room.
+      bool printed_header = false;
+      int current_label = 0;
+      while (true) {
+        int bytes_read = current.read(buff, MAXIMUM_BYTEDUMP_BUFFER_SIZE);
+        if (bytes_read <= 0) break;  // no contents.
+//console.log(astring(astring::SPRINTF, "read %d bytes", bytes_read));
+        if (!printed_header) {
+          console.log(name + ":", ALWAYS_PRINT);
+          console.log(astring::empty_string(), ALWAYS_PRINT);  // blank line.
+          printed_header = true;
+        }
+        astring to_log = byte_formatter::text_dump(buff, bytes_read,
+            current_label);
+        if (to_log[to_log.end()] == '\n')
+          to_log.zap(to_log.end(), to_log.end());
+        console.log(to_log, ALWAYS_PRINT);
+        current_label += bytes_read;
+      }
+    }
+  }
+  return 0;
+}
+