[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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| 7 | /**************************************************************************/ |
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| 8 | /***************************** COMMAND DICT *******************************/ |
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| 9 | /**************************************************************************/ |
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| 10 | |
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| 11 | int owl_cmddict_setup(owl_cmddict *cd) { |
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[4c7c21f] | 12 | owl_cmddict_init(cd); |
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[aad166a] | 13 | return owl_cmd_add_defaults(cd); |
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[7d4fbcd] | 14 | } |
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| 15 | |
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[4c7c21f] | 16 | void owl_cmddict_init(owl_cmddict *cd) { |
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| 17 | owl_dict_create(cd); |
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[7d4fbcd] | 18 | } |
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| 19 | |
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| 20 | /* for bulk initialization at startup */ |
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[0a0fb74] | 21 | int owl_cmddict_add_from_list(owl_cmddict *cd, const owl_cmd *cmds) { |
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| 22 | const owl_cmd *cur; |
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[eb6cedc] | 23 | int ret = 0; |
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| 24 | for (cur = cmds; cur->name != NULL; cur++) { |
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| 25 | ret = owl_cmddict_add_cmd(cd, cur); |
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| 26 | if (ret < 0) break; |
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[7d4fbcd] | 27 | } |
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[eb6cedc] | 28 | return ret; |
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[7d4fbcd] | 29 | } |
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| 30 | |
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[ff7e289] | 31 | void owl_cmddict_get_names(const owl_cmddict *d, owl_list *l) { |
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[7d4fbcd] | 32 | owl_dict_get_keys(d, l); |
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| 33 | } |
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| 34 | |
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[0a0fb74] | 35 | const owl_cmd *owl_cmddict_find(const owl_cmddict *d, const char *name) { |
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[4d86e06] | 36 | return owl_dict_find_element(d, name); |
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[7d4fbcd] | 37 | } |
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| 38 | |
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| 39 | /* creates a new command alias */ |
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[e19eb97] | 40 | int owl_cmddict_add_alias(owl_cmddict *cd, const char *alias_from, const char *alias_to) { |
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[7d4fbcd] | 41 | owl_cmd *cmd; |
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[96828e4] | 42 | cmd = g_new(owl_cmd, 1); |
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[7d4fbcd] | 43 | owl_cmd_create_alias(cmd, alias_from, alias_to); |
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[1cc9b615] | 44 | owl_perlconfig_new_command(cmd->name); |
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[b0da027] | 45 | owl_dict_insert_element(cd, cmd->name, cmd, (void (*)(void *))owl_cmd_delete); |
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[7d4fbcd] | 46 | return(0); |
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| 47 | } |
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| 48 | |
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[0a0fb74] | 49 | int owl_cmddict_add_cmd(owl_cmddict *cd, const owl_cmd * cmd) { |
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[96828e4] | 50 | owl_cmd * newcmd = g_new(owl_cmd, 1); |
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[6922edd] | 51 | if(owl_cmd_create_from_template(newcmd, cmd) < 0) { |
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[ddbbcffa] | 52 | g_free(newcmd); |
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[6922edd] | 53 | return -1; |
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| 54 | } |
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[eb6cedc] | 55 | owl_perlconfig_new_command(cmd->name); |
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[b0da027] | 56 | return owl_dict_insert_element(cd, newcmd->name, newcmd, (void (*)(void *))owl_cmd_delete); |
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[6922edd] | 57 | } |
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| 58 | |
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[3f8514b] | 59 | 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] | 60 | char *retval = NULL; |
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[0a0fb74] | 61 | const owl_cmd *cmd; |
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[c4ba74d] | 62 | |
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| 63 | if (!strcmp(argv[0], "")) { |
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[4d86e06] | 64 | } else if (NULL != (cmd = owl_dict_find_element(cd, argv[0]))) { |
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[c4ba74d] | 65 | retval = owl_cmd_execute(cmd, cd, ctx, argc, argv, buff); |
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[044f19f] | 66 | /* redraw the sepbar; TODO: don't violate layering */ |
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| 67 | owl_global_sepbar_dirty(&g); |
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[c4ba74d] | 68 | } else { |
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| 69 | owl_function_makemsg("Unknown command '%s'.", buff); |
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| 70 | } |
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| 71 | return retval; |
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| 72 | } |
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| 73 | |
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[3f8514b] | 74 | char *owl_cmddict_execute(const owl_cmddict *cd, const owl_context *ctx, const char *cmdbuff) { |
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[7d4fbcd] | 75 | char **argv; |
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| 76 | int argc; |
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| 77 | char *retval = NULL; |
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| 78 | |
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[e56303f] | 79 | argv = owl_parseline(cmdbuff, &argc); |
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| 80 | if (argv == NULL) { |
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[7d4fbcd] | 81 | owl_function_makemsg("Unbalanced quotes"); |
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| 82 | return NULL; |
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| 83 | } |
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| 84 | |
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[62a000b] | 85 | if (argc < 1) { |
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[e56303f] | 86 | g_strfreev(argv); |
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[62a000b] | 87 | return NULL; |
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| 88 | } |
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[7d4fbcd] | 89 | |
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[c529ac8] | 90 | retval = _owl_cmddict_execute(cd, ctx, strs(argv), argc, cmdbuff); |
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[c4ba74d] | 91 | |
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[e56303f] | 92 | g_strfreev(argv); |
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[7d4fbcd] | 93 | return retval; |
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| 94 | } |
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| 95 | |
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[3f8514b] | 96 | char *owl_cmddict_execute_argv(const owl_cmddict *cd, const owl_context *ctx, const char *const *argv, int argc) { |
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[6a71113] | 97 | char *buff; |
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| 98 | char *retval = NULL; |
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[c4ba74d] | 99 | |
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[6a71113] | 100 | buff = g_strjoinv(" ", (char**)argv); |
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| 101 | retval = _owl_cmddict_execute(cd, ctx, argv, argc, buff); |
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| 102 | g_free(buff); |
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[c4ba74d] | 103 | |
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| 104 | return retval; |
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| 105 | } |
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| 106 | |
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[7d4fbcd] | 107 | /*********************************************************************/ |
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| 108 | /***************************** COMMAND *******************************/ |
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| 109 | /*********************************************************************/ |
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| 110 | |
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| 111 | /* sets up a new command based on a template, copying strings */ |
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[0a0fb74] | 112 | int owl_cmd_create_from_template(owl_cmd *cmd, const owl_cmd *templ) { |
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[7d4fbcd] | 113 | *cmd = *templ; |
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| 114 | if (!templ->name) return(-1); |
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[d4927a7] | 115 | cmd->name = g_strdup(templ->name); |
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| 116 | if (templ->summary) cmd->summary = g_strdup(templ->summary); |
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| 117 | if (templ->usage) cmd->usage = g_strdup(templ->usage); |
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| 118 | if (templ->description) cmd->description = g_strdup(templ->description); |
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| 119 | if (templ->cmd_aliased_to) cmd->cmd_aliased_to = g_strdup(templ->cmd_aliased_to); |
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[7d4fbcd] | 120 | return(0); |
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| 121 | } |
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| 122 | |
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[e19eb97] | 123 | int owl_cmd_create_alias(owl_cmd *cmd, const char *name, const char *aliased_to) { |
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[7d4fbcd] | 124 | memset(cmd, 0, sizeof(owl_cmd)); |
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[d4927a7] | 125 | cmd->name = g_strdup(name); |
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| 126 | cmd->cmd_aliased_to = g_strdup(aliased_to); |
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[3472845] | 127 | cmd->summary = g_strdup_printf("%s%s", OWL_CMD_ALIAS_SUMMARY_PREFIX, aliased_to); |
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[7d4fbcd] | 128 | return(0); |
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| 129 | } |
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| 130 | |
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[685e96f] | 131 | void owl_cmd_cleanup(owl_cmd *cmd) |
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| 132 | { |
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[3b8a563] | 133 | g_free(cmd->name); |
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| 134 | g_free(cmd->summary); |
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| 135 | g_free(cmd->usage); |
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| 136 | g_free(cmd->description); |
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| 137 | g_free(cmd->cmd_aliased_to); |
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[8f2d9bf] | 138 | if (cmd->cmd_perl) owl_perlconfig_cmd_cleanup(cmd); |
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[7d4fbcd] | 139 | } |
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| 140 | |
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[b0da027] | 141 | void owl_cmd_delete(owl_cmd *cmd) |
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| 142 | { |
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[685e96f] | 143 | owl_cmd_cleanup(cmd); |
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[ddbbcffa] | 144 | g_free(cmd); |
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[b0da027] | 145 | } |
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| 146 | |
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[0a0fb74] | 147 | int owl_cmd_is_context_valid(const owl_cmd *cmd, const owl_context *ctx) { |
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[7d4fbcd] | 148 | if (owl_context_matches(ctx, cmd->validctx)) return 1; |
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| 149 | else return 0; |
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| 150 | } |
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| 151 | |
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[0a0fb74] | 152 | 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] | 153 | static int alias_recurse_depth = 0; |
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| 154 | int ival=0; |
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[e19eb97] | 155 | const char *cmdbuffargs; |
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[65b2173] | 156 | char *newcmd, *rv=NULL; |
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[7d4fbcd] | 157 | |
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| 158 | if (argc < 1) return(NULL); |
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| 159 | |
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| 160 | /* Recurse if this is an alias */ |
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| 161 | if (cmd->cmd_aliased_to) { |
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| 162 | if (alias_recurse_depth++ > 50) { |
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| 163 | owl_function_makemsg("Alias loop detected for '%s'.", cmdbuff); |
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| 164 | } else { |
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| 165 | cmdbuffargs = skiptokens(cmdbuff, 1); |
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[3472845] | 166 | newcmd = g_strdup_printf("%s %s", cmd->cmd_aliased_to, cmdbuffargs); |
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[7d4fbcd] | 167 | rv = owl_function_command(newcmd); |
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[ddbbcffa] | 168 | g_free(newcmd); |
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[7d4fbcd] | 169 | } |
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| 170 | alias_recurse_depth--; |
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| 171 | return rv; |
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| 172 | } |
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| 173 | |
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| 174 | /* Do validation and conversions */ |
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| 175 | if (cmd->cmd_ctxargs_fn || cmd->cmd_ctxv_fn || cmd->cmd_ctxi_fn) { |
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| 176 | if (!owl_cmd_is_context_valid(cmd, ctx)) { |
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| 177 | owl_function_makemsg("Invalid context for command '%s'.", cmdbuff); |
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| 178 | return NULL; |
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| 179 | } |
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| 180 | } |
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| 181 | |
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| 182 | if ((argc != 1) && (cmd->cmd_v_fn || cmd->cmd_ctxv_fn)) { |
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| 183 | owl_function_makemsg("Wrong number of arguments for %s command.", argv[0]); |
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| 184 | return NULL; |
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| 185 | } |
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| 186 | |
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| 187 | if (cmd->cmd_i_fn || cmd->cmd_ctxi_fn) { |
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[99525be] | 188 | char *ep; |
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[7d4fbcd] | 189 | if (argc != 2) { |
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| 190 | owl_function_makemsg("Wrong number of arguments for %s command.", argv[0]); |
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| 191 | return NULL; |
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| 192 | } |
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[99525be] | 193 | ival = strtol(argv[1], &ep, 10); |
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[7d4fbcd] | 194 | if (*ep || ep==argv[1]) { |
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| 195 | owl_function_makemsg("Invalid argument '%s' for %s command.", argv[1], argv[0]); |
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| 196 | return(NULL); |
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| 197 | } |
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| 198 | } |
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| 199 | |
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| 200 | if (cmd->cmd_args_fn) { |
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| 201 | return cmd->cmd_args_fn(argc, argv, cmdbuff); |
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| 202 | } else if (cmd->cmd_v_fn) { |
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| 203 | cmd->cmd_v_fn(); |
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| 204 | } else if (cmd->cmd_i_fn) { |
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| 205 | cmd->cmd_i_fn(ival); |
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| 206 | } else if (cmd->cmd_ctxargs_fn) { |
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| 207 | return cmd->cmd_ctxargs_fn(owl_context_get_data(ctx), argc, argv, cmdbuff); |
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| 208 | } else if (cmd->cmd_ctxv_fn) { |
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| 209 | cmd->cmd_ctxv_fn(owl_context_get_data(ctx)); |
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| 210 | } else if (cmd->cmd_ctxi_fn) { |
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| 211 | cmd->cmd_ctxi_fn(owl_context_get_data(ctx), ival); |
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[6922edd] | 212 | } else if (cmd->cmd_perl) { |
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| 213 | return owl_perlconfig_perlcmd(cmd, argc, argv); |
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[7d4fbcd] | 214 | } |
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| 215 | |
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| 216 | return NULL; |
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| 217 | } |
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| 218 | |
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| 219 | /* returns a reference */ |
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[0a0fb74] | 220 | const char *owl_cmd_get_summary(const owl_cmd *cmd) { |
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[7d4fbcd] | 221 | return cmd->summary; |
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| 222 | } |
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| 223 | |
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| 224 | /* returns a summary line describing this keymap. the caller must free. */ |
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[0a0fb74] | 225 | char *owl_cmd_describe(const owl_cmd *cmd) { |
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[7d4fbcd] | 226 | if (!cmd || !cmd->name || !cmd->summary) return NULL; |
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[3472845] | 227 | return g_strdup_printf("%-25s - %s", cmd->name, cmd->summary); |
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[7d4fbcd] | 228 | } |
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| 229 | |
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| 230 | |
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| 231 | |
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[ff7e289] | 232 | void owl_cmd_get_help(const owl_cmddict *d, const char *name, owl_fmtext *fm) { |
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[e19eb97] | 233 | const char *s; |
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[65b2173] | 234 | char *indent; |
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[7d4fbcd] | 235 | owl_cmd *cmd; |
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| 236 | |
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| 237 | if (!name || (cmd = owl_dict_find_element(d, name)) == NULL) { |
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| 238 | owl_fmtext_append_bold(fm, "OWL HELP\n\n"); |
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| 239 | owl_fmtext_append_normal(fm, "No such command...\n"); |
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| 240 | return; |
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| 241 | } |
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| 242 | |
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| 243 | owl_fmtext_append_bold(fm, "OWL HELP\n\n"); |
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| 244 | owl_fmtext_append_bold(fm, "NAME\n\n"); |
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| 245 | owl_fmtext_append_normal(fm, OWL_TABSTR); |
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| 246 | owl_fmtext_append_normal(fm, cmd->name); |
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| 247 | |
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| 248 | if (cmd->summary && *cmd->summary) { |
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| 249 | owl_fmtext_append_normal(fm, " - "); |
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| 250 | owl_fmtext_append_normal(fm, cmd->summary); |
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| 251 | } |
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| 252 | owl_fmtext_append_normal(fm, "\n"); |
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| 253 | |
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| 254 | if (cmd->usage && *cmd->usage) { |
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| 255 | s = cmd->usage; |
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[4d24650] | 256 | indent = owl_text_indent(s, OWL_TAB); |
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[7d4fbcd] | 257 | owl_fmtext_append_bold(fm, "\nSYNOPSIS\n"); |
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| 258 | owl_fmtext_append_normal(fm, indent); |
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| 259 | owl_fmtext_append_normal(fm, "\n"); |
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[ddbbcffa] | 260 | g_free(indent); |
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[7d4fbcd] | 261 | } else { |
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| 262 | owl_fmtext_append_bold(fm, "\nSYNOPSIS\n"); |
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| 263 | owl_fmtext_append_normal(fm, OWL_TABSTR); |
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| 264 | owl_fmtext_append_normal(fm, cmd->name); |
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| 265 | owl_fmtext_append_normal(fm, "\n"); |
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| 266 | } |
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| 267 | |
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| 268 | if (cmd->description && *cmd->description) { |
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| 269 | s = cmd->description; |
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[4d24650] | 270 | indent = owl_text_indent(s, OWL_TAB); |
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[7d4fbcd] | 271 | owl_fmtext_append_bold(fm, "\nDESCRIPTION\n"); |
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| 272 | owl_fmtext_append_normal(fm, indent); |
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| 273 | owl_fmtext_append_normal(fm, "\n"); |
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[ddbbcffa] | 274 | g_free(indent); |
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[7d4fbcd] | 275 | } |
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| 276 | |
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| 277 | owl_fmtext_append_normal(fm, "\n\n"); |
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| 278 | } |
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