1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"> 2<html> 3<head> 4<title>terminal_interface-curses-terminfo.adb</title> 5<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> 6<style type="text/css"> 7*.comment { 8 color: green; 9} 10*.symbol { 11 color: red; 12} 13</style> 14</head> 15<body> 16<hr><div style="text-align:center"><h1> File : terminal_interface-curses-terminfo.adb </h1></div><hr> 17<pre> 18<span class="comment"><em>------------------------------------------------------------------------------</em></span> 19<span class="comment"><em>-- --</em></span> 20<span class="comment"><em>-- <strong>GNAT</strong> ncurses Binding --</em></span> 21<span class="comment"><em>-- --</em></span> 22<span class="comment"><em>-- Terminal_Interface.Curses.Terminfo --</em></span> 23<span class="comment"><em>-- --</em></span> 24<span class="comment"><em>-- B O D Y --</em></span> 25<span class="comment"><em>-- --</em></span> 26<span class="comment"><em>------------------------------------------------------------------------------</em></span> 27<span class="comment"><em>-- Copyright 2020 Thomas E. Dickey --</em></span> 28<span class="comment"><em>-- Copyright 2000-2006,2009 Free Software Foundation, Inc. --</em></span> 29<span class="comment"><em>-- --</em></span> 30<span class="comment"><em>-- Permission is hereby granted, free of charge, to any person obtaining a --</em></span> 31<span class="comment"><em>-- copy of this software and associated documentation files (the --</em></span> 32<span class="comment"><em>-- "Software"), to deal in the Software without restriction, including --</em></span> 33<span class="comment"><em>-- without limitation the rights to use, copy, modify, merge, publish, --</em></span> 34<span class="comment"><em>-- distribute, distribute with modifications, sublicense, and/or sell --</em></span> 35<span class="comment"><em>-- copies of the Software, and to permit persons to whom the Software is --</em></span> 36<span class="comment"><em>-- furnished to do so, subject to the following conditions: --</em></span> 37<span class="comment"><em>-- --</em></span> 38<span class="comment"><em>-- The above copyright notice and this permission notice shall be included --</em></span> 39<span class="comment"><em>-- in all copies or substantial portions of the Software. --</em></span> 40<span class="comment"><em>-- --</em></span> 41<span class="comment"><em>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --</em></span> 42<span class="comment"><em>-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --</em></span> 43<span class="comment"><em>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --</em></span> 44<span class="comment"><em>-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --</em></span> 45<span class="comment"><em>-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --</em></span> 46<span class="comment"><em>-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --</em></span> 47<span class="comment"><em>-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --</em></span> 48<span class="comment"><em>-- --</em></span> 49<span class="comment"><em>-- Except as contained in this notice, the name(s) of the above copyright --</em></span> 50<span class="comment"><em>-- holders shall not be used in advertising or otherwise to promote the --</em></span> 51<span class="comment"><em>-- sale, use or other dealings in this Software without prior written --</em></span> 52<span class="comment"><em>-- authorization. --</em></span> 53<span class="comment"><em>------------------------------------------------------------------------------</em></span> 54<span class="comment"><em>-- Author: Juergen Pfeifer, 1996</em></span> 55<span class="comment"><em>-- Version Control:</em></span> 56<span class="comment"><em>-- @Revision: 1.7 @</em></span> 57<span class="comment"><em>-- @Date: 2020/02/02 23:34:34 @</em></span> 58<span class="comment"><em>-- Binding Version 01.00</em></span> 59<span class="comment"><em>------------------------------------------------------------------------------</em></span> 60 61<b>with</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-aux__ads.htm#ref_46_35">Aux</a>; <b>use</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-aux__ads.htm#ref_46_35">Aux</a>; 62<b>with</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>.C; <b>use</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>.C; 63<b>with</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>.C.Strings; <b>use</b> <a href="interfac__ads.htm#ref_38_9">Interfaces</a>.C.Strings; 64<b>with</b> Ada.Unchecked_Conversion; 65 66<b>package</b> <b>body</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<span class="symbol"><a name="ref_49_40" href="terminal_interface-curses-terminfo__ads.htm#ref_45_35">Terminfo</a></span> <b>is</b> 67 68 <b>function</b> <span class="symbol"><a name="ref_51_13" href="terminal_interface-curses-terminfo__adb.htm#ref_53_13">Is_MinusOne_Pointer</a></span> (<span class="symbol"><a name="ref_51_34" href="terminal_interface-curses-terminfo__adb.htm#ref_53_34">P</a></span> : chars_ptr) <b>return</b> Boolean; 69 70 <b>function</b> <span class="symbol"><a name="ref_53_13" href="terminal_interface-curses-terminfo__adb.htm#ref_51_13">Is_MinusOne_Pointer</a></span> (<span class="symbol"><a name="ref_53_34" href="terminal_interface-curses-terminfo__adb.htm#ref_51_34">P</a></span> : chars_ptr) <b>return</b> Boolean <b>is</b> 71 <b>type</b> <span class="symbol"><a name="ref_54_12">Weird_Address</a></span> <b>is</b> <b>new</b> System.Storage_Elements.Integer_Address; 72 <span class="symbol"><a name="ref_55_7">Invalid_Pointer</a></span> : <b>constant</b> <a href="terminal_interface-curses-terminfo__adb.htm#ref_54_12">Weird_Address</a> := -1; 73 <b>function</b> To_Weird <b>is</b> <b>new</b> Ada.Unchecked_Conversion 74 (Source => chars_ptr, Target => <a href="terminal_interface-curses-terminfo__adb.htm#ref_54_12">Weird_Address</a>); 75 <b>begin</b> 76 <b>if</b> To_Weird (<a href="terminal_interface-curses-terminfo__adb.htm#ref_51_34">P</a>) = <a href="terminal_interface-curses-terminfo__adb.htm#ref_55_7">Invalid_Pointer</a> <b>then</b> 77 <b>return</b> True; 78 <b>else</b> 79 <b>return</b> False; 80 <b>end</b> <b>if</b>; 81 <b>end</b> <a href="terminal_interface-curses-terminfo__adb.htm#ref_51_13">Is_MinusOne_Pointer</a>; 82 <b>pragma</b> Inline (<a href="terminal_interface-curses-terminfo__adb.htm#ref_51_13">Is_MinusOne_Pointer</a>); 83 84<span class="comment"><em>------------------------------------------------------------------------------</em></span> 85 <b>function</b> <span class="symbol"><a name="ref_68_13" href="terminal_interface-curses-terminfo__ads.htm#ref_65_13">Get_Flag</a></span> (<span class="symbol"><a name="ref_68_23" href="terminal_interface-curses-terminfo__ads.htm#ref_65_23">Name</a></span> : String) <b>return</b> Boolean 86 <b>is</b> 87 <b>function</b> <span class="symbol"><a name="ref_70_16">tigetflag</a></span> (<span class="symbol"><a name="ref_70_27">id</a></span> : char_array) <b>return</b> <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a>; 88 <b>pragma</b> Import (C, tigetflag); 89 <span class="symbol"><a name="ref_72_7">Txt</a></span> : char_array (0 .. <a href="terminal_interface-curses-terminfo__ads.htm#ref_65_23">Name</a>'Length); 90 <span class="symbol"><a name="ref_73_7">Length</a></span> : size_t; 91 <b>begin</b> 92 To_C (<a href="terminal_interface-curses-terminfo__ads.htm#ref_65_23">Name</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_72_7">Txt</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_73_7">Length</a>); 93 <b>if</b> <a href="terminal_interface-curses-terminfo__adb.htm#ref_70_16">tigetflag</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_72_7">Txt</a>) = <a href="terminal_interface-curses__ads.htm#ref_2099_9">Curses_Bool</a> (<a href="terminal_interface-curses-aux__ads.htm#ref_66_4">Curses_True</a>) <b>then</b> 94 <b>return</b> True; 95 <b>else</b> 96 <b>return</b> False; 97 <b>end</b> <b>if</b>; 98 <b>end</b> <a href="terminal_interface-curses-terminfo__ads.htm#ref_65_13">Get_Flag</a>; 99 100<span class="comment"><em>------------------------------------------------------------------------------</em></span> 101 <b>procedure</b> <span class="symbol"><a name="ref_84_14" href="terminal_interface-curses-terminfo__ads.htm#ref_58_14">Get_String</a></span> (<span class="symbol"><a name="ref_84_26" href="terminal_interface-curses-terminfo__ads.htm#ref_58_26">Name</a></span> : String; 102 <span class="symbol"><a name="ref_85_26" href="terminal_interface-curses-terminfo__ads.htm#ref_59_26">Value</a></span> : <b>out</b> Terminfo_String; 103 <span class="symbol"><a name="ref_86_26" href="terminal_interface-curses-terminfo__ads.htm#ref_60_26">Result</a></span> : <b>out</b> Boolean) 104 <b>is</b> 105 <b>function</b> <span class="symbol"><a name="ref_88_16">tigetstr</a></span> (<span class="symbol"><a name="ref_88_26">id</a></span> : char_array) <b>return</b> chars_ptr; 106 <b>pragma</b> Import (C, tigetstr, "tigetstr"); 107 <span class="symbol"><a name="ref_90_7">Txt</a></span> : char_array (0 .. <a href="terminal_interface-curses-terminfo__ads.htm#ref_58_26">Name</a>'Length); 108 <span class="symbol"><a name="ref_91_7">Length</a></span> : size_t; 109 <span class="symbol"><a name="ref_92_7">Txt2</a></span> : chars_ptr; 110 <b>begin</b> 111 To_C (<a href="terminal_interface-curses-terminfo__ads.htm#ref_58_26">Name</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_90_7">Txt</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_91_7">Length</a>); 112 <a href="terminal_interface-curses-terminfo__adb.htm#ref_92_7">Txt2</a> := <a href="terminal_interface-curses-terminfo__adb.htm#ref_88_16">tigetstr</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_90_7">Txt</a>); 113 <b>if</b> <a href="terminal_interface-curses-terminfo__adb.htm#ref_92_7">Txt2</a> = Null_Ptr <b>then</b> 114 <a href="terminal_interface-curses-terminfo__ads.htm#ref_60_26">Result</a> := False; 115 <b>elsif</b> <a href="terminal_interface-curses-terminfo__adb.htm#ref_51_13">Is_MinusOne_Pointer</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_92_7">Txt2</a>) <b>then</b> 116 <b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>; 117 <b>else</b> 118 <a href="terminal_interface-curses-terminfo__ads.htm#ref_59_26">Value</a> := Terminfo_String (<a href="terminal_interface-curses-aux__ads.htm#ref_96_13">Fill_String</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_92_7">Txt2</a>)); 119 <a href="terminal_interface-curses-terminfo__ads.htm#ref_60_26">Result</a> := True; 120 <b>end</b> <b>if</b>; 121 <b>end</b> <a href="terminal_interface-curses-terminfo__ads.htm#ref_58_14">Get_String</a>; 122 123<span class="comment"><em>------------------------------------------------------------------------------</em></span> 124 <b>function</b> <span class="symbol"><a name="ref_107_13" href="terminal_interface-curses-terminfo__ads.htm#ref_61_13">Has_String</a></span> (<span class="symbol"><a name="ref_107_25" href="terminal_interface-curses-terminfo__ads.htm#ref_61_25">Name</a></span> : String) <b>return</b> Boolean 125 <b>is</b> 126 <b>function</b> <span class="symbol"><a name="ref_109_16">tigetstr</a></span> (<span class="symbol"><a name="ref_109_26">id</a></span> : char_array) <b>return</b> chars_ptr; 127 <b>pragma</b> Import (C, tigetstr, "tigetstr"); 128 <span class="symbol"><a name="ref_111_7">Txt</a></span> : char_array (0 .. <a href="terminal_interface-curses-terminfo__ads.htm#ref_61_25">Name</a>'Length); 129 <span class="symbol"><a name="ref_112_7">Length</a></span> : size_t; 130 <span class="symbol"><a name="ref_113_7">Txt2</a></span> : chars_ptr; 131 <b>begin</b> 132 To_C (<a href="terminal_interface-curses-terminfo__ads.htm#ref_61_25">Name</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_111_7">Txt</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_112_7">Length</a>); 133 <a href="terminal_interface-curses-terminfo__adb.htm#ref_113_7">Txt2</a> := <a href="terminal_interface-curses-terminfo__adb.htm#ref_109_16">tigetstr</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_111_7">Txt</a>); 134 <b>if</b> <a href="terminal_interface-curses-terminfo__adb.htm#ref_113_7">Txt2</a> = Null_Ptr <b>then</b> 135 <b>return</b> False; 136 <b>elsif</b> <a href="terminal_interface-curses-terminfo__adb.htm#ref_51_13">Is_MinusOne_Pointer</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_113_7">Txt2</a>) <b>then</b> 137 <b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>; 138 <b>else</b> 139 <b>return</b> True; 140 <b>end</b> <b>if</b>; 141 <b>end</b> <a href="terminal_interface-curses-terminfo__ads.htm#ref_61_13">Has_String</a>; 142 143<span class="comment"><em>------------------------------------------------------------------------------</em></span> 144 <b>function</b> <span class="symbol"><a name="ref_127_13" href="terminal_interface-curses-terminfo__ads.htm#ref_69_13">Get_Number</a></span> (<span class="symbol"><a name="ref_127_25" href="terminal_interface-curses-terminfo__ads.htm#ref_69_25">Name</a></span> : String) <b>return</b> Integer <b>is</b> 145 <b>function</b> <span class="symbol"><a name="ref_128_16">tigetstr</a></span> (<span class="symbol"><a name="ref_128_26">s</a></span> : char_array) <b>return</b> <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>; 146 <b>pragma</b> Import (C, tigetstr); 147 <span class="symbol"><a name="ref_130_7">Txt</a></span> : char_array (0 .. <a href="terminal_interface-curses-terminfo__ads.htm#ref_69_25">Name</a>'Length); 148 <span class="symbol"><a name="ref_131_7">Length</a></span> : size_t; 149 <b>begin</b> 150 To_C (<a href="terminal_interface-curses-terminfo__ads.htm#ref_69_25">Name</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_130_7">Txt</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_131_7">Length</a>); 151 <b>return</b> Integer (<a href="terminal_interface-curses-terminfo__adb.htm#ref_128_16">tigetstr</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_130_7">Txt</a>)); 152 <b>end</b> <a href="terminal_interface-curses-terminfo__ads.htm#ref_69_13">Get_Number</a>; 153 154<span class="comment"><em>------------------------------------------------------------------------------</em></span> 155 <b>procedure</b> <span class="symbol"><a name="ref_138_14" href="terminal_interface-curses-terminfo__ads.htm#ref_77_14">Put_String</a></span> (<span class="symbol"><a name="ref_138_26" href="terminal_interface-curses-terminfo__ads.htm#ref_77_26">Str</a></span> : <a href="terminal_interface-curses-terminfo__ads.htm#ref_45_35">Terminfo_String</a>; 156 <span class="symbol"><a name="ref_139_26" href="terminal_interface-curses-terminfo__ads.htm#ref_78_26">affcnt</a></span> : Natural := 1; 157 <span class="symbol"><a name="ref_140_26" href="terminal_interface-curses-terminfo__ads.htm#ref_79_26">putc</a></span> : <a href="terminal_interface-curses-terminfo__ads.htm#ref_72_9">putctype</a> := <b>null</b>) <b>is</b> 158 <b>function</b> <span class="symbol"><a name="ref_141_16">tputs</a></span> (<span class="symbol"><a name="ref_141_23">str</a></span> : char_array; 159 <span class="symbol"><a name="ref_142_23">affcnt</a></span> : <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>; 160 <span class="symbol"><a name="ref_143_23">putc</a></span> : <a href="terminal_interface-curses-terminfo__ads.htm#ref_72_9">putctype</a>) <b>return</b> <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>; 161 <b>function</b> <span class="symbol"><a name="ref_144_16">putp</a></span> (<span class="symbol"><a name="ref_144_22">str</a></span> : char_array) <b>return</b> <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>; 162 <b>pragma</b> Import (C, tputs); 163 <b>pragma</b> Import (C, putp); 164 <span class="symbol"><a name="ref_147_7">Txt</a></span> : char_array (0 .. <a href="terminal_interface-curses-terminfo__ads.htm#ref_77_26">Str</a>'Length); 165 <span class="symbol"><a name="ref_148_7">Length</a></span> : size_t; 166 <span class="symbol"><a name="ref_149_7">Err</a></span> : <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a>; 167 <b>begin</b> 168 To_C (String (<a href="terminal_interface-curses-terminfo__ads.htm#ref_77_26">Str</a>), <a href="terminal_interface-curses-terminfo__adb.htm#ref_147_7">Txt</a>, <a href="terminal_interface-curses-terminfo__adb.htm#ref_148_7">Length</a>); 169 <b>if</b> <a href="terminal_interface-curses-terminfo__ads.htm#ref_79_26">putc</a> = <b>null</b> <b>then</b> 170 <a href="terminal_interface-curses-terminfo__adb.htm#ref_149_7">Err</a> := <a href="terminal_interface-curses-terminfo__adb.htm#ref_144_16">putp</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_147_7">Txt</a>); 171 <b>else</b> 172 <a href="terminal_interface-curses-terminfo__adb.htm#ref_149_7">Err</a> := <a href="terminal_interface-curses-terminfo__adb.htm#ref_141_16">tputs</a> (<a href="terminal_interface-curses-terminfo__adb.htm#ref_147_7">Txt</a>, <a href="terminal_interface-curses-aux__ads.htm#ref_49_12">C_Int</a> (<a href="terminal_interface-curses-terminfo__ads.htm#ref_78_26">affcnt</a>), <a href="terminal_interface-curses-terminfo__ads.htm#ref_79_26">putc</a>); 173 <b>end</b> <b>if</b>; 174 <b>if</b> <a href="terminal_interface-curses-terminfo__adb.htm#ref_149_7">Err</a> = <a href="terminal_interface-curses-aux__ads.htm#ref_64_4">Curses_Err</a> <b>then</b> 175 <b>raise</b> <a href="terminal_interface-curses__ads.htm#ref_522_4">Curses_Exception</a>; 176 <b>end</b> <b>if</b>; 177 <b>end</b> <a href="terminal_interface-curses-terminfo__ads.htm#ref_77_14">Put_String</a>; 178 179<b>end</b> <a href="terminal_interface__ads.htm#ref_43_9">Terminal_Interface</a>.<a href="terminal_interface-curses__ads.htm#ref_48_28">Curses</a>.<a href="terminal_interface-curses-terminfo__ads.htm#ref_45_35">Terminfo</a>; 180</pre></body></html> 181