From 2fce43d484e4148ae858f410d51dcd9951d34374 Mon Sep 17 00:00:00 2001
From: Tuowen Zhao <ztuowen@gmail.com>
Date: Sun, 18 Sep 2016 15:45:13 +0000
Subject: remove include & rename

---
 omegalib/omega_calc/src/myflex.cc | 421 --------------------------------------
 1 file changed, 421 deletions(-)
 delete mode 100755 omegalib/omega_calc/src/myflex.cc

(limited to 'omegalib/omega_calc/src/myflex.cc')

diff --git a/omegalib/omega_calc/src/myflex.cc b/omegalib/omega_calc/src/myflex.cc
deleted file mode 100755
index 89a2544..0000000
--- a/omegalib/omega_calc/src/myflex.cc
+++ /dev/null
@@ -1,421 +0,0 @@
-/*****************************************************************************
- Copyright (C) 2011 Chun Chen
- All Rights Reserved.
-
- Purpose:
-   support command line editing for calculator.
-
- Notes:
-   Since terminfo database is not queried for those nagging escape sequences,
- current supported terminials are limited to xterm, linux, cygwin.
-
- History:
-   02/06/11 created by Chun Chen
-*****************************************************************************/
-
-#include <omega_calc/myflex.h>
-#include <basic/util.h>
-#include <string.h>
-#include <stdlib.h>
-
-#if defined __USE_POSIX
-#include <unistd.h>
-#include <termios.h>
-#include <sys/ioctl.h>
-#elif defined  __WIN32
-#else
-#endif
-
-#define HISTORY_SIZE 100
-
-namespace {
-enum {MY_KEY_EOF=0, MY_KEY_LEFT, MY_KEY_RIGHT, MY_KEY_UP, MY_KEY_DOWN,
-      MY_KEY_DEL, MY_KEY_HOME, MY_KEY_END, MY_KEY_PGUP, MY_KEY_PGDOWN,
-      MY_KEY_NUMPAD_HOME, MY_KEY_NUMPAD_END};
-}
-
-extern bool is_interactive;
-extern const char * PROMPT_STRING;
-
-void move_cursor(int col, int n, int num_cols, const std::vector<std::string> &key_seqs) {
-  if (n == 0)
-    return;
-  
-  int new_col = omega::int_mod(col + n, num_cols);
-  if (new_col == 0)
-    new_col = num_cols;
-
-  for (int i = 0; i < new_col-col; i++)
-    std::cout.write(key_seqs[MY_KEY_RIGHT].c_str(), key_seqs[MY_KEY_RIGHT].length());
-  for (int i = 0; i < col-new_col; i++)
-    std::cout.write(key_seqs[MY_KEY_LEFT].c_str(), key_seqs[MY_KEY_LEFT].length());
-
-  if (n < 0)
-    for (int i = 0; i < omega::abs(n) / num_cols + (new_col>col)?1:0; i++)
-      std::cout.write(key_seqs[MY_KEY_UP].c_str(), key_seqs[MY_KEY_UP].length());
-  else
-    for (int i = 0; i < omega::abs(n) / num_cols + (new_col<col)?1:0; i++)
-      std::cout.write(key_seqs[MY_KEY_DOWN].c_str(), key_seqs[MY_KEY_DOWN].length());
-}
-
-
-
-myFlexLexer::myFlexLexer(std::istream *arg_yyin, std::ostream *arg_yyout):
-  yyFlexLexer(arg_yyin, arg_yyout), history(HISTORY_SIZE), key_seqs(12) {
-  cur_pos = 0;
-  first_history_pos = 0;
-  last_history_pos = -1;
-
-  if (strcmp(getenv("TERM"), "xterm") == 0 ||
-      strcmp(getenv("TERM"), "xterm-color") == 0) {
-    key_seqs[MY_KEY_EOF] = "\x04";
-    key_seqs[MY_KEY_LEFT] = "\x1B\x5B\x44";
-    key_seqs[MY_KEY_RIGHT] = "\x1B\x5B\x43";
-    key_seqs[MY_KEY_UP] = "\x1B\x5B\x41";
-    key_seqs[MY_KEY_DOWN] = "\x1B\x5B\x42";
-    key_seqs[MY_KEY_DEL] = "\x1B\x5B\x33\x7E";
-    key_seqs[MY_KEY_HOME] = "\x1B\x4F\x48";
-    key_seqs[MY_KEY_END] = "\x1B\x4F\x46";
-    key_seqs[MY_KEY_PGUP] = "\x1B\x5B\x35\x7E";
-    key_seqs[MY_KEY_PGDOWN] = "\x1B\x5B\x36\x7E";
-    key_seqs[MY_KEY_NUMPAD_HOME] = "\x1B\x5B\x31\x7E";
-    key_seqs[MY_KEY_NUMPAD_END] = "\x1B\x5B\x34\x7E";
-  }
-  else if (strcmp(getenv("TERM"), "linux") == 0 ||
-           strcmp(getenv("TERM"), "cygwin") == 0) {
-    key_seqs[MY_KEY_EOF] = "\x04";
-    key_seqs[MY_KEY_LEFT] = "\x1B\x5B\x44";
-    key_seqs[MY_KEY_RIGHT] = "\x1B\x5B\x43";
-    key_seqs[MY_KEY_UP] = "\x1B\x5B\x41";
-    key_seqs[MY_KEY_DOWN] = "\x1B\x5B\x42";
-    key_seqs[MY_KEY_DEL] = "\x1B\x5B\x33\x7E";
-    key_seqs[MY_KEY_HOME] = "\x1B\x5B\x31\x7E";
-    key_seqs[MY_KEY_END] = "\x1B\x5B\x34\x7E";
-    key_seqs[MY_KEY_PGUP] = "\x1B\x5B\x35\x7E";
-    key_seqs[MY_KEY_PGDOWN] = "\x1B\x5B\x36\x7E";
-    key_seqs[MY_KEY_NUMPAD_HOME] = "\x1B\x5B\x31\x7E";
-    key_seqs[MY_KEY_NUMPAD_END] = "\x1B\x5B\x34\x7E";
-  }
-  else {
-    key_seqs[MY_KEY_EOF] = "\x04";
-  }
-}
-
-int myFlexLexer::LexerInput(char *buf, int max_size) {
-  if (!is_interactive)
-    return yyFlexLexer::LexerInput(buf, max_size);
-
-#if defined __USE_POSIX
-  winsize wsz;
-  ioctl(0, TIOCGWINSZ, &wsz);
-  int num_cols = wsz.ws_col;
-
-  // unknown screen size, bail out
-  if (num_cols == 0)
-    return yyFlexLexer::LexerInput(buf, max_size);
-
-  termios old_settings;
-  termios new_settings;
-  char keycodes[255];
-
-  // set console to no echo, raw input mode
-  tcgetattr(STDIN_FILENO, &old_settings);
-  new_settings = old_settings;
-  new_settings.c_cc[VTIME] = 1;
-  new_settings.c_cc[VMIN] = 1;
-  new_settings.c_iflag &= ~(IXOFF);
-  new_settings.c_lflag &= ~(ECHO|ICANON);
-  tcsetattr(STDIN_FILENO, TCSANOW, &new_settings);
-
-  int cur_history_pos = (last_history_pos+1)%HISTORY_SIZE;
-  while (true) {
-    // feed current line to lex
-    int len = cur_line.length();
-    if (len > 0 && cur_line[len-1] == '\n') {
-      int n = omega::min(len-cur_pos, max_size);
-      for (int i = 0; i < n; i++)
-        buf[i] = cur_line[cur_pos+i];
-      cur_pos = cur_pos + n;
-      if (cur_pos == len) {
-        // save history
-        if (len > 1) {
-          if (last_history_pos == -1)
-            last_history_pos = 0;
-          else {
-            last_history_pos = (last_history_pos+1)%HISTORY_SIZE;
-            if ((last_history_pos + 1)%HISTORY_SIZE == first_history_pos)
-              first_history_pos = (first_history_pos+1)%HISTORY_SIZE;
-          }
-          history[last_history_pos] = cur_line.substr(0, len-1);
-          cur_history_pos = (last_history_pos+1)%HISTORY_SIZE;
-        }
-
-        // clear the working line
-        cur_pos = 0;
-        cur_line.clear();
-      }      
-      tcsetattr(STDIN_FILENO, TCSANOW, &old_settings);
-      return n;
-    }
-
-    int count = read(STDIN_FILENO, keycodes, 255);
-      
-    // handle special key my way
-    int eaten = 0;
-    while (eaten <  count) {
-      if (key_seqs[MY_KEY_EOF].length() > 0 &&
-          static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_EOF].length() &&
-          strncmp(&keycodes[eaten], key_seqs[MY_KEY_EOF].c_str(), key_seqs[MY_KEY_EOF].length()) == 0) {
-        if (cur_line.length() == 0) {
-          tcsetattr(STDIN_FILENO, TCSANOW, &old_settings);
-          return 0;
-        }
-
-        eaten += key_seqs[MY_KEY_EOF].length();
-      }
-      else if (key_seqs[MY_KEY_LEFT].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_LEFT].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_LEFT].c_str(), key_seqs[MY_KEY_LEFT].length()) == 0) {
-        if (cur_pos > 0) {
-          int cur_col = (cur_pos + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0)
-            cur_col = num_cols;          
-
-          cur_pos--;
-
-          move_cursor(cur_col, -1, num_cols, key_seqs);
-        }
-        eaten += key_seqs[MY_KEY_LEFT].length();
-      }
-      else if (key_seqs[MY_KEY_RIGHT].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_RIGHT].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_RIGHT].c_str(), key_seqs[MY_KEY_RIGHT].length()) == 0) {
-        if (static_cast<size_t>(cur_pos) < cur_line.length()) {
-          int cur_col = (cur_pos + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0)
-            cur_col = num_cols;          
-          
-          cur_pos++;
-
-          move_cursor(cur_col, 1, num_cols, key_seqs);
-        }
-        eaten += key_seqs[MY_KEY_RIGHT].length();
-      }
-      else if (key_seqs[MY_KEY_UP].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_UP].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_UP].c_str(), key_seqs[MY_KEY_UP].length()) == 0) {
-        if (cur_history_pos >= 0 && cur_history_pos != first_history_pos) {
-          history[cur_history_pos] = cur_line;
-          cur_history_pos = omega::int_mod(cur_history_pos-1, HISTORY_SIZE);
-
-          int cur_col = (cur_pos + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0)
-            cur_col =  num_cols;
-
-          move_cursor(cur_col, -cur_pos, num_cols, key_seqs);
-
-          std::cout.write(history[cur_history_pos].c_str(), history[cur_history_pos].length());
-
-          cur_col = (history[cur_history_pos].length() + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0) {
-            std::cout.put(' ');
-            std::cout.put('\b');            
-          }
-          
-          if (cur_line.length() > history[cur_history_pos].length()) {
-            for (size_t i = 0; i < cur_line.length() - history[cur_history_pos].length(); i++)
-              std::cout.put(' ');
-            
-            cur_col = (cur_line.length() + strlen(PROMPT_STRING) + 1) % num_cols;
-            if (cur_col == 0)
-              cur_col = num_cols + 1;
-            else
-              cur_col++;
-
-            move_cursor(cur_col, -(cur_line.length() - history[cur_history_pos].length()), num_cols, key_seqs);
-          }
-          cur_line = history[cur_history_pos];
-          cur_pos = cur_line.length();
-        }
-          
-        eaten += key_seqs[MY_KEY_UP].length();
-      }
-      else if (key_seqs[MY_KEY_DOWN].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_DOWN].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_DOWN].c_str(), key_seqs[MY_KEY_DOWN].length()) == 0) {
-        if (cur_history_pos >= 0 && cur_history_pos != (last_history_pos+1)%HISTORY_SIZE) {
-          history[cur_history_pos] = cur_line;
-          cur_history_pos = (cur_history_pos+1)%HISTORY_SIZE;
-
-          int cur_col = (cur_pos + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0)
-            cur_col =  num_cols;
-
-          move_cursor(cur_col, -cur_pos, num_cols, key_seqs);
-          
-          std::cout.write(history[cur_history_pos].c_str(), history[cur_history_pos].length());
-
-          cur_col = (history[cur_history_pos].length() + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0) {
-            std::cout.put(' ');
-            std::cout.put('\b');
-          }
-          
-          if (cur_line.length() > history[cur_history_pos].length()) {
-            for (size_t i = 0; i < cur_line.length() - history[cur_history_pos].length(); i++)
-              std::cout.put(' ');
-
-            cur_col = (cur_line.length() + strlen(PROMPT_STRING) + 1) % num_cols;
-            if (cur_col == 0)
-              cur_col = num_cols + 1;
-            else
-              cur_col++;
-
-            move_cursor(cur_col, -(cur_line.length() - history[cur_history_pos].length()), num_cols, key_seqs);
-          }
-          cur_line = history[cur_history_pos];
-          cur_pos = cur_line.length();
-        }
-        
-        eaten += key_seqs[MY_KEY_DOWN].length();
-      } 
-      else if (key_seqs[MY_KEY_DEL].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_DEL].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_DEL].c_str(), key_seqs[MY_KEY_DEL].length()) == 0) {
-        if (static_cast<size_t>(cur_pos) < cur_line.length()) {
-          cur_line.erase(cur_pos, 1);
-          std::cout.write(&(cur_line.c_str()[cur_pos]), cur_line.length()-cur_pos);
-          std::cout.put(' ');
-
-          int cur_col = (cur_line.length() + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0)
-            cur_col = num_cols + 1;
-          else
-            cur_col++;
-
-          move_cursor(cur_col, -(cur_line.length()-cur_pos+1), num_cols, key_seqs);
-        }
-          
-        eaten += key_seqs[MY_KEY_DEL].length();
-      }
-      else if (key_seqs[MY_KEY_HOME].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_HOME].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_HOME].c_str(), key_seqs[MY_KEY_HOME].length()) == 0) {
-        int cur_col = (cur_pos + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-        if (cur_col == 0)
-          cur_col = num_cols;
-
-        move_cursor(cur_col, -cur_pos, num_cols, key_seqs);
-        
-        cur_pos = 0;
-        eaten += key_seqs[MY_KEY_HOME].length();
-      }
-      else if (key_seqs[MY_KEY_END].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_END].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_END].c_str(), key_seqs[MY_KEY_END].length()) == 0) {
-        int cur_col = (cur_pos + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-        if (cur_col == 0)
-          cur_col = num_cols;
-
-        move_cursor(cur_col, cur_line.length()-cur_pos, num_cols, key_seqs);
-
-        cur_pos = cur_line.length();
-        eaten += key_seqs[MY_KEY_END].length();
-      }
-      else if (key_seqs[MY_KEY_PGUP].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_PGUP].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_PGUP].c_str(), key_seqs[MY_KEY_PGUP].length()) == 0) {
-        eaten += key_seqs[MY_KEY_PGUP].length();
-      }
-      else if (key_seqs[MY_KEY_PGDOWN].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_PGDOWN].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_PGDOWN].c_str(), key_seqs[MY_KEY_PGDOWN].length()) == 0) {
-        eaten += key_seqs[MY_KEY_PGDOWN].length();
-      }
-      else if (key_seqs[MY_KEY_NUMPAD_HOME].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_NUMPAD_HOME].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_NUMPAD_HOME].c_str(), key_seqs[MY_KEY_NUMPAD_HOME].length()) == 0) {
-        eaten += key_seqs[MY_KEY_NUMPAD_HOME].length();
-      }
-      else if (key_seqs[MY_KEY_NUMPAD_END].length() > 0 &&
-               static_cast<size_t>(count - eaten) >= key_seqs[MY_KEY_NUMPAD_END].length() &&
-               strncmp(&keycodes[eaten], key_seqs[MY_KEY_NUMPAD_END].c_str(), key_seqs[MY_KEY_NUMPAD_END].length()) == 0) {
-        eaten += key_seqs[MY_KEY_NUMPAD_END].length();
-      }
-      else if (keycodes[eaten] == '\x1B' && (count - eaten == 1 || keycodes[eaten+1] == '\x1B')) { // single ESC key
-        eaten++;
-      }
-      else if (keycodes[eaten] == '\x1B') { // unknown escape sequences
-        while (eaten+1 < count && keycodes[eaten+1] != '\x1B')
-          eaten++;
-        
-        keycodes[eaten] = '~';
-      }
-      else if (keycodes[eaten] == '\x7F') { // backspace key
-        if (cur_pos > 0) {
-          int cur_col = (cur_pos + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0)
-            cur_col = num_cols;
-
-          cur_pos--;
-          cur_line.erase(cur_pos, 1);
-
-          move_cursor(cur_col, -1, num_cols, key_seqs);
-          
-          std::cout.write(&(cur_line.c_str()[cur_pos]), cur_line.length()-cur_pos);
-          std::cout.put(' ');
-          
-          cur_col = (cur_line.length() + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-          if (cur_col == 0)
-            cur_col = num_cols + 1;
-          else
-            cur_col++;
-
-          move_cursor(cur_col, -(cur_line.length()-cur_pos+1), num_cols, key_seqs);
-        }
-            
-        eaten++;
-      }
-      else if (keycodes[eaten] == '\n'){ // return key
-        int cur_col = (cur_pos + 1 + strlen(PROMPT_STRING) + 1) % num_cols;
-        if (cur_col == 0)
-          cur_col = num_cols;
-
-        move_cursor(cur_col, cur_line.length()-cur_pos, num_cols, key_seqs);
-        
-        std::cout.put(keycodes[eaten]);
-        cur_line.append(1, '\n');
-        cur_pos = 0;
-        break;
-      }
-      else { // all other key
-        std::cout.put(keycodes[eaten]);
-        std::cout.write(&(cur_line.c_str()[cur_pos]), cur_line.length()-cur_pos);
-
-        cur_line.insert(cur_pos, &keycodes[eaten], 1);
-        cur_pos++;
-
-        int cur_col = (cur_line.length() + strlen(PROMPT_STRING) + 1) % num_cols;
-        if (cur_col == 0) {
-          // force cursor to move to the next line when the last printed char is at
-          // the right boundary of the terminal
-          std::cout.put(' ');
-          std::cout.put('\b');
-          
-          cur_col = 1;
-        }
-        else
-          cur_col++;
-
-        move_cursor(cur_col, -(cur_line.length()-cur_pos), num_cols, key_seqs);
-
-        eaten++;
-      }
-        
-      std::cout.flush();
-    }
-  }
-#else
-  return yyFlexLexer::LexerInput(buf, max_size);
-#endif
-}
-- 
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