[7d4fbcd] | 1 | #include <stdio.h> |
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| 2 | #include <stdlib.h> |
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| 3 | #include <string.h> |
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| 4 | #include <unistd.h> |
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| 5 | #include "owl.h" |
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| 6 | |
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[0a0fb74] | 7 | extern const owl_cmd commands_to_init[]; |
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[7d4fbcd] | 8 | |
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| 9 | /**************************************************************************/ |
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| 10 | /***************************** COMMAND DICT *******************************/ |
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| 11 | /**************************************************************************/ |
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| 12 | |
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| 13 | int owl_cmddict_setup(owl_cmddict *cd) { |
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[4c7c21f] | 14 | owl_cmddict_init(cd); |
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[7d4fbcd] | 15 | if (0 != owl_cmddict_add_from_list(cd, commands_to_init)) return(-1); |
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| 16 | return(0); |
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| 17 | } |
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| 18 | |
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[4c7c21f] | 19 | void owl_cmddict_init(owl_cmddict *cd) { |
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| 20 | owl_dict_create(cd); |
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[7d4fbcd] | 21 | } |
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| 22 | |
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| 23 | /* for bulk initialization at startup */ |
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[0a0fb74] | 24 | int owl_cmddict_add_from_list(owl_cmddict *cd, const owl_cmd *cmds) { |
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| 25 | const owl_cmd *cur; |
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[eb6cedc] | 26 | int ret = 0; |
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| 27 | for (cur = cmds; cur->name != NULL; cur++) { |
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| 28 | ret = owl_cmddict_add_cmd(cd, cur); |
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| 29 | if (ret < 0) break; |
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[7d4fbcd] | 30 | } |
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[eb6cedc] | 31 | return ret; |
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[7d4fbcd] | 32 | } |
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| 33 | |
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[ff7e289] | 34 | void owl_cmddict_get_names(const owl_cmddict *d, owl_list *l) { |
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[7d4fbcd] | 35 | owl_dict_get_keys(d, l); |
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| 36 | } |
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| 37 | |
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[0a0fb74] | 38 | const owl_cmd *owl_cmddict_find(const owl_cmddict *d, const char *name) { |
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[4d86e06] | 39 | return owl_dict_find_element(d, name); |
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[7d4fbcd] | 40 | } |
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| 41 | |
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| 42 | /* creates a new command alias */ |
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[e19eb97] | 43 | int owl_cmddict_add_alias(owl_cmddict *cd, const char *alias_from, const char *alias_to) { |
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[7d4fbcd] | 44 | owl_cmd *cmd; |
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[96828e4] | 45 | cmd = g_new(owl_cmd, 1); |
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[7d4fbcd] | 46 | owl_cmd_create_alias(cmd, alias_from, alias_to); |
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[1cc9b615] | 47 | owl_perlconfig_new_command(cmd->name); |
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[b0da027] | 48 | owl_dict_insert_element(cd, cmd->name, cmd, (void (*)(void *))owl_cmd_delete); |
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[7d4fbcd] | 49 | return(0); |
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| 50 | } |
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| 51 | |
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[0a0fb74] | 52 | int owl_cmddict_add_cmd(owl_cmddict *cd, const owl_cmd * cmd) { |
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[96828e4] | 53 | owl_cmd * newcmd = g_new(owl_cmd, 1); |
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[6922edd] | 54 | if(owl_cmd_create_from_template(newcmd, cmd) < 0) { |
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[ddbbcffa] | 55 | g_free(newcmd); |
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[6922edd] | 56 | return -1; |
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| 57 | } |
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[eb6cedc] | 58 | owl_perlconfig_new_command(cmd->name); |
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[b0da027] | 59 | return owl_dict_insert_element(cd, newcmd->name, newcmd, (void (*)(void *))owl_cmd_delete); |
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[6922edd] | 60 | } |
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| 61 | |
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[3f8514b] | 62 | char *_owl_cmddict_execute(const owl_cmddict *cd, const owl_context *ctx, const char *const *argv, int argc, const char *buff) { |
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[c4ba74d] | 63 | char *retval = NULL; |
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[0a0fb74] | 64 | const owl_cmd *cmd; |
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[c4ba74d] | 65 | |
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| 66 | if (!strcmp(argv[0], "")) { |
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[4d86e06] | 67 | } else if (NULL != (cmd = owl_dict_find_element(cd, argv[0]))) { |
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[c4ba74d] | 68 | retval = owl_cmd_execute(cmd, cd, ctx, argc, argv, buff); |
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[044f19f] | 69 | /* redraw the sepbar; TODO: don't violate layering */ |
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| 70 | owl_global_sepbar_dirty(&g); |
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[c4ba74d] | 71 | } else { |
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| 72 | owl_function_makemsg("Unknown command '%s'.", buff); |
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| 73 | } |
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| 74 | return retval; |
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| 75 | } |
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| 76 | |
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[3f8514b] | 77 | char *owl_cmddict_execute(const owl_cmddict *cd, const owl_context *ctx, const char *cmdbuff) { |
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[7d4fbcd] | 78 | char **argv; |
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| 79 | int argc; |
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| 80 | char *retval = NULL; |
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| 81 | |
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[e56303f] | 82 | argv = owl_parseline(cmdbuff, &argc); |
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| 83 | if (argv == NULL) { |
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[7d4fbcd] | 84 | owl_function_makemsg("Unbalanced quotes"); |
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| 85 | return NULL; |
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| 86 | } |
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| 87 | |
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[62a000b] | 88 | if (argc < 1) { |
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[e56303f] | 89 | g_strfreev(argv); |
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[62a000b] | 90 | return NULL; |
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| 91 | } |
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[7d4fbcd] | 92 | |
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[c529ac8] | 93 | retval = _owl_cmddict_execute(cd, ctx, strs(argv), argc, cmdbuff); |
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[c4ba74d] | 94 | |
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[e56303f] | 95 | g_strfreev(argv); |
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[7d4fbcd] | 96 | return retval; |
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| 97 | } |
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| 98 | |
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[3f8514b] | 99 | char *owl_cmddict_execute_argv(const owl_cmddict *cd, const owl_context *ctx, const char *const *argv, int argc) { |
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[6a71113] | 100 | char *buff; |
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| 101 | char *retval = NULL; |
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[c4ba74d] | 102 | |
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[6a71113] | 103 | buff = g_strjoinv(" ", (char**)argv); |
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| 104 | retval = _owl_cmddict_execute(cd, ctx, argv, argc, buff); |
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| 105 | g_free(buff); |
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[c4ba74d] | 106 | |
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| 107 | return retval; |
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| 108 | } |
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| 109 | |
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[7d4fbcd] | 110 | /*********************************************************************/ |
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| 111 | /***************************** COMMAND *******************************/ |
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| 112 | /*********************************************************************/ |
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| 113 | |
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| 114 | /* sets up a new command based on a template, copying strings */ |
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[0a0fb74] | 115 | int owl_cmd_create_from_template(owl_cmd *cmd, const owl_cmd *templ) { |
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[7d4fbcd] | 116 | *cmd = *templ; |
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| 117 | if (!templ->name) return(-1); |
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[d4927a7] | 118 | cmd->name = g_strdup(templ->name); |
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| 119 | if (templ->summary) cmd->summary = g_strdup(templ->summary); |
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| 120 | if (templ->usage) cmd->usage = g_strdup(templ->usage); |
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| 121 | if (templ->description) cmd->description = g_strdup(templ->description); |
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| 122 | if (templ->cmd_aliased_to) cmd->cmd_aliased_to = g_strdup(templ->cmd_aliased_to); |
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[7d4fbcd] | 123 | return(0); |
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| 124 | } |
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| 125 | |
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[e19eb97] | 126 | int owl_cmd_create_alias(owl_cmd *cmd, const char *name, const char *aliased_to) { |
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[7d4fbcd] | 127 | memset(cmd, 0, sizeof(owl_cmd)); |
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[d4927a7] | 128 | cmd->name = g_strdup(name); |
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| 129 | cmd->cmd_aliased_to = g_strdup(aliased_to); |
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[3472845] | 130 | cmd->summary = g_strdup_printf("%s%s", OWL_CMD_ALIAS_SUMMARY_PREFIX, aliased_to); |
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[7d4fbcd] | 131 | return(0); |
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| 132 | } |
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| 133 | |
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[685e96f] | 134 | void owl_cmd_cleanup(owl_cmd *cmd) |
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| 135 | { |
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[3b8a563] | 136 | g_free(cmd->name); |
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| 137 | g_free(cmd->summary); |
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| 138 | g_free(cmd->usage); |
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| 139 | g_free(cmd->description); |
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| 140 | g_free(cmd->cmd_aliased_to); |
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[8f2d9bf] | 141 | if (cmd->cmd_perl) owl_perlconfig_cmd_cleanup(cmd); |
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[7d4fbcd] | 142 | } |
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| 143 | |
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[b0da027] | 144 | void owl_cmd_delete(owl_cmd *cmd) |
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| 145 | { |
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[685e96f] | 146 | owl_cmd_cleanup(cmd); |
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[ddbbcffa] | 147 | g_free(cmd); |
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[b0da027] | 148 | } |
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| 149 | |
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[0a0fb74] | 150 | int owl_cmd_is_context_valid(const owl_cmd *cmd, const owl_context *ctx) { |
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[7d4fbcd] | 151 | if (owl_context_matches(ctx, cmd->validctx)) return 1; |
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| 152 | else return 0; |
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| 153 | } |
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| 154 | |
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[0a0fb74] | 155 | char *owl_cmd_execute(const owl_cmd *cmd, const owl_cmddict *cd, const owl_context *ctx, int argc, const char *const *argv, const char *cmdbuff) { |
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[7d4fbcd] | 156 | static int alias_recurse_depth = 0; |
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| 157 | int ival=0; |
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[e19eb97] | 158 | const char *cmdbuffargs; |
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[65b2173] | 159 | char *newcmd, *rv=NULL; |
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[7d4fbcd] | 160 | |
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| 161 | if (argc < 1) return(NULL); |
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| 162 | |
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| 163 | /* Recurse if this is an alias */ |
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| 164 | if (cmd->cmd_aliased_to) { |
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| 165 | if (alias_recurse_depth++ > 50) { |
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| 166 | owl_function_makemsg("Alias loop detected for '%s'.", cmdbuff); |
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| 167 | } else { |
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| 168 | cmdbuffargs = skiptokens(cmdbuff, 1); |
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[3472845] | 169 | newcmd = g_strdup_printf("%s %s", cmd->cmd_aliased_to, cmdbuffargs); |
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[7d4fbcd] | 170 | rv = owl_function_command(newcmd); |
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[ddbbcffa] | 171 | g_free(newcmd); |
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[7d4fbcd] | 172 | } |
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| 173 | alias_recurse_depth--; |
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| 174 | return rv; |
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| 175 | } |
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| 176 | |
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| 177 | /* Do validation and conversions */ |
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| 178 | if (cmd->cmd_ctxargs_fn || cmd->cmd_ctxv_fn || cmd->cmd_ctxi_fn) { |
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| 179 | if (!owl_cmd_is_context_valid(cmd, ctx)) { |
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| 180 | owl_function_makemsg("Invalid context for command '%s'.", cmdbuff); |
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| 181 | return NULL; |
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| 182 | } |
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| 183 | } |
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| 184 | |
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| 185 | if ((argc != 1) && (cmd->cmd_v_fn || cmd->cmd_ctxv_fn)) { |
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| 186 | owl_function_makemsg("Wrong number of arguments for %s command.", argv[0]); |
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| 187 | return NULL; |
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| 188 | } |
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| 189 | |
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| 190 | if (cmd->cmd_i_fn || cmd->cmd_ctxi_fn) { |
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[99525be] | 191 | char *ep; |
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[7d4fbcd] | 192 | if (argc != 2) { |
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| 193 | owl_function_makemsg("Wrong number of arguments for %s command.", argv[0]); |
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| 194 | return NULL; |
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| 195 | } |
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[99525be] | 196 | ival = strtol(argv[1], &ep, 10); |
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[7d4fbcd] | 197 | if (*ep || ep==argv[1]) { |
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| 198 | owl_function_makemsg("Invalid argument '%s' for %s command.", argv[1], argv[0]); |
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| 199 | return(NULL); |
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| 200 | } |
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| 201 | } |
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| 202 | |
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| 203 | if (cmd->cmd_args_fn) { |
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| 204 | return cmd->cmd_args_fn(argc, argv, cmdbuff); |
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| 205 | } else if (cmd->cmd_v_fn) { |
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| 206 | cmd->cmd_v_fn(); |
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| 207 | } else if (cmd->cmd_i_fn) { |
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| 208 | cmd->cmd_i_fn(ival); |
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| 209 | } else if (cmd->cmd_ctxargs_fn) { |
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| 210 | return cmd->cmd_ctxargs_fn(owl_context_get_data(ctx), argc, argv, cmdbuff); |
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| 211 | } else if (cmd->cmd_ctxv_fn) { |
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| 212 | cmd->cmd_ctxv_fn(owl_context_get_data(ctx)); |
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| 213 | } else if (cmd->cmd_ctxi_fn) { |
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| 214 | cmd->cmd_ctxi_fn(owl_context_get_data(ctx), ival); |
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[6922edd] | 215 | } else if (cmd->cmd_perl) { |
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| 216 | return owl_perlconfig_perlcmd(cmd, argc, argv); |
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[7d4fbcd] | 217 | } |
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| 218 | |
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| 219 | return NULL; |
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| 220 | } |
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| 221 | |
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| 222 | /* returns a reference */ |
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[0a0fb74] | 223 | const char *owl_cmd_get_summary(const owl_cmd *cmd) { |
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[7d4fbcd] | 224 | return cmd->summary; |
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| 225 | } |
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| 226 | |
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| 227 | /* returns a summary line describing this keymap. the caller must free. */ |
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[0a0fb74] | 228 | char *owl_cmd_describe(const owl_cmd *cmd) { |
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[7d4fbcd] | 229 | if (!cmd || !cmd->name || !cmd->summary) return NULL; |
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[3472845] | 230 | return g_strdup_printf("%-25s - %s", cmd->name, cmd->summary); |
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[7d4fbcd] | 231 | } |
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| 232 | |
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| 233 | |
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| 234 | |
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[ff7e289] | 235 | void owl_cmd_get_help(const owl_cmddict *d, const char *name, owl_fmtext *fm) { |
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[e19eb97] | 236 | const char *s; |
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[65b2173] | 237 | char *indent; |
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[7d4fbcd] | 238 | owl_cmd *cmd; |
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| 239 | |
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| 240 | if (!name || (cmd = owl_dict_find_element(d, name)) == NULL) { |
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| 241 | owl_fmtext_append_bold(fm, "OWL HELP\n\n"); |
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| 242 | owl_fmtext_append_normal(fm, "No such command...\n"); |
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| 243 | return; |
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| 244 | } |
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| 245 | |
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| 246 | owl_fmtext_append_bold(fm, "OWL HELP\n\n"); |
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| 247 | owl_fmtext_append_bold(fm, "NAME\n\n"); |
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| 248 | owl_fmtext_append_normal(fm, OWL_TABSTR); |
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| 249 | owl_fmtext_append_normal(fm, cmd->name); |
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| 250 | |
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| 251 | if (cmd->summary && *cmd->summary) { |
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| 252 | owl_fmtext_append_normal(fm, " - "); |
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| 253 | owl_fmtext_append_normal(fm, cmd->summary); |
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| 254 | } |
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| 255 | owl_fmtext_append_normal(fm, "\n"); |
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| 256 | |
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| 257 | if (cmd->usage && *cmd->usage) { |
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| 258 | s = cmd->usage; |
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[4d24650] | 259 | indent = owl_text_indent(s, OWL_TAB); |
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[7d4fbcd] | 260 | owl_fmtext_append_bold(fm, "\nSYNOPSIS\n"); |
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| 261 | owl_fmtext_append_normal(fm, indent); |
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| 262 | owl_fmtext_append_normal(fm, "\n"); |
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[ddbbcffa] | 263 | g_free(indent); |
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[7d4fbcd] | 264 | } else { |
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| 265 | owl_fmtext_append_bold(fm, "\nSYNOPSIS\n"); |
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| 266 | owl_fmtext_append_normal(fm, OWL_TABSTR); |
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| 267 | owl_fmtext_append_normal(fm, cmd->name); |
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| 268 | owl_fmtext_append_normal(fm, "\n"); |
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| 269 | } |
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| 270 | |
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| 271 | if (cmd->description && *cmd->description) { |
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| 272 | s = cmd->description; |
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[4d24650] | 273 | indent = owl_text_indent(s, OWL_TAB); |
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[7d4fbcd] | 274 | owl_fmtext_append_bold(fm, "\nDESCRIPTION\n"); |
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| 275 | owl_fmtext_append_normal(fm, indent); |
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| 276 | owl_fmtext_append_normal(fm, "\n"); |
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[ddbbcffa] | 277 | g_free(indent); |
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[7d4fbcd] | 278 | } |
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| 279 | |
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| 280 | owl_fmtext_append_normal(fm, "\n\n"); |
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| 281 | } |
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