libedittext/drd64_libedittext_linectrl.c

   1 /*DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64
   2
   3                          D r . D e a m o n  6 4
   4                         for INTEL64(R), AMD64(R)
   5
   6    Copyright(C) 2007-2009 Koine Yuusuke(koinec). All rights reserved.
   7
   8 Redistribution and use in source and binary forms, with or without
   9 modification, are permitted provided that the following conditions are met:
  10
  11  1. Redistributions of source code must retain the above copyright notice,
  12     this list of conditions and the following disclaimer.
  13  2. Redistributions in binary form must reproduce the above copyright
  14     notice, this list of conditions and the following disclaimer in the
  15     documentation and/or other materials provided with the distribution.
  16
  17 THIS SOFTWARE IS PROVIDED BY Koine Yuusuke(koinec) ``AS IS'' AND ANY
  18 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 DISCLAIMED. IN NO EVENT SHALL Koine Yuusuke(koinec) OR CONTRIBUTORS BE
  21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  27 OF THE POSSIBILITY OF SUCH DAMAGE.
  28
  29 DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64*/
  30
  31 /* File Info -----------------------------------------------------------
  32 File: drd64_.c
  33 Function:
  34 Comment:
  35 ----------------------------------------------------------------------*/
  36
  37 #define DRD64_SRC_LIBEDITTEXT_LINECTRL
  38 #include"drd64_libedittext.h"
  39
  40
  41 /*----------------------------------------------------------------------
  42 ----------------------------------------------------------------------*/
  43 LIBEDITTEXT_LINECTRL_EXTERN
  44 int
  45         LibEditText_LineCtrl_AppendLine(
  46                 LibEditText_TextInfo            *p_tinfo,
  47                 Byte    *pstr_text,
  48                 DWord   dw_length,
  49                 Byte    b_mode )
  50 {
  51         int                                             i_result;
  52         DWord                                   dw_buflength;
  53         Byte                                            str_lf[2]       = { '\n', '\0'};
  54         Byte                                            *pb_tmp;
  55         LibEditText_LineInfo            *p_line;
  56         LibEditText_LineInfo            *p_before;
  57
  58         assert( NULL != p_tinfo );
  59         p_before        = LINFO(p_tinfo, p_tinfo->dw_line_end);
  60
  61         if( NULL == p_before )
  62                 { goto goto_LibEditText_LineCtrl_AppendLine_prechecked; }
  63
  64         if( 0 < p_before->dw_strlen )   {
  65                 pb_tmp  = p_tinfo->pb_text + ((p_before->dw_start) + (p_before->dw_strlen) - 1);
  66                 if( '\n' == *pb_tmp )
  67                         { goto goto_LibEditText_LineCtrl_AppendLine_prechecked; }
  68         }
  69
  70         i_result        = LibEditText_LineEdit_InsertString(
  71                                                         p_tinfo, p_before, p_before->dw_strlen, str_lf, 1);
  72
  73 goto_LibEditText_LineCtrl_AppendLine_prechecked:
  74
  75         dw_buflength    = dw_length + DRD64_LIBEDITTEXT_DEFAULT_RESERVEBUF_INLINE;
  76         p_line  = LibEditText_LineInfo_GetEmptyLineInfo( p_tinfo, dw_buflength );
  77         if( NULL == p_line )    { return -0x11; }
  78
  79         /* p_line->dw_start      */
  80         if( NULL != p_before )
  81                 { p_before->dw_next     = p_line->dw_id; }
  82         else
  83                 { p_tinfo->dw_line_start        = p_line->dw_id; }
  84
  85         p_line->dw_before       = (NULL==p_before ? INVALID_LINE : p_before->dw_id);
  86         p_line->dw_strlen       = dw_length;
  87
  88         i_result    = LibEditText_LineInfo_AddSortChain( p_tinfo, p_line );
  89         if( 0x00 != i_result )  {
  90                 return -0x12;
  91         }
  92
  93         memcpy( p_tinfo->pb_text + p_line->dw_start, pstr_text, dw_length );
  94
  95         /* Normal Append Mode is b_mode=0x00. */
  96         if( 0x00 == b_mode )    {
  97                 i_result        = LibEditText_Section_AppendLine( p_tinfo, p_line );
  98                 p_tinfo->dw_maxline++;
  99         }
 100
 101         p_tinfo->dw_line_end    = p_line->dw_id;
 102
 103         return 0x00;
 104 }
 105
 106
 107 /*----------------------------------------------------------------------
 108 ----------------------------------------------------------------------*/
 109 LIBEDITTEXT_API_LINECTRL
 110 int
 111         LibEditText_AppendLine(
 112                 int             i_tinfoid,
 113                 Byte    *pstr_text,
 114                 DWord   dw_length )
 115 {
 116         int                                             i_result;
 117         LibEditText_TextInfo    *p_tinfo;
 118
 119         if( 0 > i_tinfoid )             { return -0x01; }
 120         p_tinfo = LibEditText_System_GetTextInfo( i_tinfoid );
 121         if( NULL == p_tinfo )   { return -0x02; }
 122
 123         if( NULL == pstr_text ) { return -0x03; }
 124
 125         i_result        = LibEditText_LineCtrl_AppendLine( p_tinfo, pstr_text, dw_length, 0x00 );
 126
 127         return i_result;
 128 }
 129
 130
 131 /* EOF of drd64_.c ----------------------------------- */