comparison: src/commands.cc
src/commands.cc
- changeset 88
- 5def6ff8b466
- parent 87
- 8f65914e7046
- child 89
- 029a330a9bef
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| 87:8f65914e7046 | 88:5def6ff8b466 |
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| 1 /* | |
| 2 Copyright 2012-2014 Santeri Piippo | |
| 3 All rights reserved. | |
| 4 | |
| 5 Redistribution and use in source and binary forms, with or without | |
| 6 modification, are permitted provided that the following conditions | |
| 7 are met: | |
| 8 | |
| 9 1. Redistributions of source code must retain the above copyright | |
| 10 notice, this list of conditions and the following disclaimer. | |
| 11 2. Redistributions in binary form must reproduce the above copyright | |
| 12 notice, this list of conditions and the following disclaimer in the | |
| 13 documentation and/or other materials provided with the distribution. | |
| 14 3. The name of the author may not be used to endorse or promote products | |
| 15 derived from this software without specific prior written permission. | |
| 16 | |
| 17 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
| 18 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
| 19 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 20 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 21 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 22 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 23 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 26 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #include <stdlib.h> | |
| 30 #include <stdio.h> | |
| 31 #include <string.h> | |
| 32 #include "main.h" | |
| 33 #include "str.h" | |
| 34 #include "commands.h" | |
| 35 #include "lexer.h" | |
| 36 | |
| 37 static list<command_info*> g_commands; | |
| 38 | |
| 39 // ============================================================================ | |
| 40 // | |
| 41 void add_command_definition (command_info* comm) | |
| 42 { | |
| 43 // Ensure that there is no conflicts | |
| 44 for (command_info* it : g_commands) | |
| 45 if (it->number == comm->number) | |
| 46 error ("Attempted to redefine command #%1 (%2) as %3", | |
| 47 g_commands[comm->number]->name, comm->name); | |
| 48 | |
| 49 g_commands << comm; | |
| 50 } | |
| 51 | |
| 52 // ============================================================================ | |
| 53 // Finds a command by name | |
| 54 command_info* find_command_by_name (string fname) | |
| 55 { | |
| 56 for (command_info* comm : g_commands) | |
| 57 { | |
| 58 if (fname.to_uppercase() == comm->name.to_uppercase()) | |
| 59 return comm; | |
| 60 } | |
| 61 | |
| 62 return null; | |
| 63 } | |
| 64 | |
| 65 // ============================================================================ | |
| 66 // Returns the prototype of the command | |
| 67 string get_command_signature (command_info* comm) | |
| 68 { | |
| 69 string text; | |
| 70 text += get_type_name (comm->returnvalue); | |
| 71 text += ' '; | |
| 72 text += comm->name; | |
| 73 | |
| 74 if (comm->maxargs != 0) | |
| 75 text += ' '; | |
| 76 | |
| 77 text += '('; | |
| 78 | |
| 79 bool hasoptionals = false; | |
| 80 | |
| 81 for (int i = 0; i < comm->maxargs; i++) | |
| 82 { | |
| 83 if (i == comm->numargs) | |
| 84 { | |
| 85 hasoptionals = true; | |
| 86 text += '['; | |
| 87 } | |
| 88 | |
| 89 if (i) | |
| 90 text += ", "; | |
| 91 | |
| 92 text += get_type_name (comm->args[i].type); | |
| 93 text += ' '; | |
| 94 text += comm->args[i].name; | |
| 95 | |
| 96 if (i >= comm->numargs) | |
| 97 { | |
| 98 text += " = "; | |
| 99 | |
| 100 bool is_string = comm->args[i].type == e_string_type; | |
| 101 | |
| 102 if (is_string) | |
| 103 text += '"'; | |
| 104 | |
| 105 text += string::from_number (comm->args[i].defvalue); | |
| 106 | |
| 107 if (is_string) | |
| 108 text += '"'; | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 if (hasoptionals) | |
| 113 text += ']'; | |
| 114 | |
| 115 text += ')'; | |
| 116 return text; | |
| 117 } | |
| 118 | |
| 119 const list<command_info*> get_commands() | |
| 120 { | |
| 121 return g_commands; | |
| 122 } |
