1 | #define OWL_PERL |
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2 | #include "owl.h" |
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3 | #include <stdio.h> |
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4 | |
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5 | extern XS(boot_BarnOwl); |
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6 | extern XS(boot_DynaLoader); |
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7 | /* extern XS(boot_DBI); */ |
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8 | |
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9 | void owl_perl_xs_init(pTHX) /* noproto */ |
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10 | { |
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11 | const char *file = __FILE__; |
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12 | dXSUB_SYS; |
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13 | { |
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14 | newXS("BarnOwl::bootstrap", boot_BarnOwl, file); |
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15 | newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file); |
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16 | } |
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17 | } |
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18 | |
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19 | |
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20 | CALLER_OWN SV *owl_new_sv(const char * str) |
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21 | { |
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22 | SV *ret = newSVpv(str, 0); |
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23 | if (is_utf8_string((const U8 *)str, strlen(str))) { |
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24 | SvUTF8_on(ret); |
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25 | } else { |
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26 | char *escape = owl_escape_highbit(str); |
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27 | owl_function_error("Internal error! Non-UTF-8 string encountered:\n%s", escape); |
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28 | g_free(escape); |
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29 | } |
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30 | return ret; |
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31 | } |
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32 | |
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33 | CALLER_OWN AV *owl_new_av(const GPtrArray *l, SV *(*to_sv)(const void *)) |
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34 | { |
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35 | AV *ret; |
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36 | int i; |
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37 | void *element; |
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38 | |
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39 | ret = newAV(); |
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40 | |
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41 | for (i = 0; i < l->len; i++) { |
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42 | element = l->pdata[i]; |
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43 | av_push(ret, to_sv(element)); |
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44 | } |
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45 | |
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46 | return ret; |
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47 | } |
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48 | |
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49 | CALLER_OWN HV *owl_new_hv(const owl_dict *d, SV *(*to_sv)(const void *)) |
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50 | { |
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51 | HV *ret; |
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52 | GPtrArray *keys; |
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53 | const char *key; |
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54 | void *element; |
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55 | int i; |
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56 | |
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57 | ret = newHV(); |
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58 | |
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59 | /* TODO: add an iterator-like interface to owl_dict */ |
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60 | keys = owl_dict_get_keys(d); |
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61 | for (i = 0; i < keys->len; i++) { |
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62 | key = keys->pdata[i]; |
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63 | element = owl_dict_find_element(d, key); |
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64 | (void)hv_store(ret, key, strlen(key), to_sv(element), 0); |
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65 | } |
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66 | owl_ptr_array_free(keys, g_free); |
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67 | |
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68 | return ret; |
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69 | } |
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70 | |
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71 | CALLER_OWN SV *owl_perlconfig_message2hashref(const owl_message *m) |
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72 | { |
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73 | HV *h, *stash; |
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74 | SV *hr; |
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75 | const char *type; |
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76 | char *ptr, *utype, *blessas; |
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77 | const char *f; |
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78 | int i; |
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79 | const owl_pair *pair; |
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80 | const owl_filter *wrap; |
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81 | |
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82 | if (!m) return &PL_sv_undef; |
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83 | wrap = owl_global_get_filter(&g, "wordwrap"); |
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84 | if(!wrap) { |
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85 | owl_function_error("wrap filter is not defined"); |
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86 | return &PL_sv_undef; |
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87 | } |
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88 | |
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89 | h = newHV(); |
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90 | |
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91 | #define MSG2H(h,field) (void)hv_store(h, #field, strlen(#field), \ |
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92 | owl_new_sv(owl_message_get_##field(m)), 0) |
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93 | |
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94 | if (owl_message_is_type_zephyr(m) && owl_message_is_direction_in(m)) { |
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95 | /* Handle zephyr-specific fields... */ |
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96 | AV *av_zfields = newAV(); |
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97 | if (owl_message_get_notice(m)) { |
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98 | for (f = owl_zephyr_first_raw_field(owl_message_get_notice(m)); f != NULL; |
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99 | f = owl_zephyr_next_raw_field(owl_message_get_notice(m), f)) { |
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100 | ptr = owl_zephyr_field_as_utf8(owl_message_get_notice(m), f); |
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101 | av_push(av_zfields, owl_new_sv(ptr)); |
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102 | g_free(ptr); |
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103 | } |
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104 | (void)hv_store(h, "auth", strlen("auth"), |
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105 | owl_new_sv(owl_zephyr_get_authstr(owl_message_get_notice(m))), 0); |
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106 | } else { |
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107 | /* Incoming zephyrs without a ZNotice_t are pseudo-logins. To appease |
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108 | * existing styles, put in bogus 'auth' and 'fields' keys. */ |
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109 | (void)hv_store(h, "auth", strlen("auth"), owl_new_sv("NO"), 0); |
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110 | } |
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111 | (void)hv_store(h, "fields", strlen("fields"), newRV_noinc((SV*)av_zfields), 0); |
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112 | } |
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113 | |
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114 | for (i = 0; i < m->attributes->len; i++) { |
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115 | pair = m->attributes->pdata[i]; |
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116 | (void)hv_store(h, owl_pair_get_key(pair), strlen(owl_pair_get_key(pair)), |
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117 | owl_new_sv(owl_pair_get_value(pair)),0); |
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118 | } |
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119 | |
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120 | MSG2H(h, type); |
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121 | MSG2H(h, direction); |
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122 | MSG2H(h, class); |
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123 | MSG2H(h, instance); |
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124 | MSG2H(h, sender); |
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125 | MSG2H(h, realm); |
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126 | MSG2H(h, recipient); |
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127 | MSG2H(h, opcode); |
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128 | MSG2H(h, hostname); |
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129 | MSG2H(h, body); |
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130 | MSG2H(h, login); |
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131 | MSG2H(h, zsig); |
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132 | MSG2H(h, zwriteline); |
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133 | if (owl_message_get_header(m)) { |
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134 | MSG2H(h, header); |
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135 | } |
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136 | (void)hv_store(h, "time", strlen("time"), owl_new_sv(owl_message_get_timestr(m)),0); |
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137 | (void)hv_store(h, "unix_time", strlen("unix_time"), newSViv(m->time), 0); |
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138 | (void)hv_store(h, "id", strlen("id"), newSViv(owl_message_get_id(m)),0); |
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139 | (void)hv_store(h, "deleted", strlen("deleted"), newSViv(owl_message_is_delete(m)),0); |
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140 | (void)hv_store(h, "private", strlen("private"), newSViv(owl_message_is_private(m)),0); |
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141 | (void)hv_store(h, "should_wordwrap", |
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142 | strlen("should_wordwrap"), newSViv( |
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143 | owl_filter_message_match(wrap, m)),0); |
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144 | |
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145 | type = owl_message_get_type(m); |
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146 | if(!type || !*type) type = "generic"; |
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147 | utype = g_strdup(type); |
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148 | utype[0] = toupper(type[0]); |
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149 | blessas = g_strdup_printf("BarnOwl::Message::%s", utype); |
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150 | |
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151 | hr = newRV_noinc((SV*)h); |
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152 | stash = gv_stashpv(blessas,0); |
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153 | if(!stash) { |
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154 | owl_function_error("No such class: %s for message type %s", blessas, owl_message_get_type(m)); |
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155 | stash = gv_stashpv("BarnOwl::Message", 1); |
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156 | } |
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157 | hr = sv_bless(hr,stash); |
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158 | g_free(utype); |
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159 | g_free(blessas); |
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160 | return hr; |
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161 | } |
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162 | |
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163 | CALLER_OWN SV *owl_perlconfig_curmessage2hashref(void) |
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164 | { |
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165 | int curmsg; |
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166 | const owl_view *v; |
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167 | v=owl_global_get_current_view(&g); |
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168 | if (owl_view_get_size(v) < 1) { |
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169 | return &PL_sv_undef; |
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170 | } |
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171 | curmsg=owl_global_get_curmsg(&g); |
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172 | return owl_perlconfig_message2hashref(owl_view_get_element(v, curmsg)); |
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173 | } |
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174 | |
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175 | /* XXX TODO: Messages should round-trip properly between |
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176 | message2hashref and hashref2message. Currently we lose |
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177 | zephyr-specific properties stored in the ZNotice_t |
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178 | */ |
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179 | CALLER_OWN owl_message *owl_perlconfig_hashref2message(SV *msg) |
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180 | { |
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181 | owl_message * m; |
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182 | HE * ent; |
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183 | I32 len; |
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184 | const char *key,*val; |
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185 | HV * hash; |
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186 | struct tm tm; |
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187 | |
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188 | hash = (HV*)SvRV(msg); |
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189 | |
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190 | m = g_new(owl_message, 1); |
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191 | owl_message_init(m); |
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192 | |
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193 | hv_iterinit(hash); |
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194 | while((ent = hv_iternext(hash))) { |
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195 | key = hv_iterkey(ent, &len); |
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196 | val = SvPV_nolen(hv_iterval(hash, ent)); |
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197 | if(!strcmp(key, "type")) { |
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198 | owl_message_set_type(m, val); |
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199 | } else if(!strcmp(key, "direction")) { |
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200 | owl_message_set_direction(m, owl_message_parse_direction(val)); |
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201 | } else if(!strcmp(key, "private")) { |
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202 | SV * v = hv_iterval(hash, ent); |
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203 | if(SvTRUE(v)) { |
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204 | owl_message_set_isprivate(m); |
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205 | } |
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206 | } else if (!strcmp(key, "hostname")) { |
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207 | owl_message_set_hostname(m, val); |
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208 | } else if (!strcmp(key, "zwriteline")) { |
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209 | owl_message_set_zwriteline(m, val); |
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210 | } else if (!strcmp(key, "time")) { |
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211 | g_free(m->timestr); |
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212 | m->timestr = g_strdup(val); |
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213 | strptime(val, "%a %b %d %T %Y", &tm); |
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214 | m->time = mktime(&tm); |
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215 | } else { |
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216 | owl_message_set_attribute(m, key, val); |
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217 | } |
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218 | } |
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219 | if(owl_message_is_type_admin(m)) { |
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220 | if(!owl_message_get_attribute_value(m, "adminheader")) |
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221 | owl_message_set_attribute(m, "adminheader", ""); |
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222 | } |
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223 | return m; |
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224 | } |
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225 | |
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226 | /* Calls in a scalar context, passing it a hash reference. |
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227 | If return value is non-null, caller must free. */ |
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228 | CALLER_OWN char *owl_perlconfig_call_with_message(const char *subname, const owl_message *m) |
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229 | { |
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230 | dSP ; |
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231 | int count; |
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232 | SV *msgref, *srv; |
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233 | char *out; |
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234 | |
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235 | ENTER ; |
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236 | SAVETMPS; |
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237 | |
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238 | PUSHMARK(SP) ; |
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239 | msgref = owl_perlconfig_message2hashref(m); |
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240 | XPUSHs(sv_2mortal(msgref)); |
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241 | PUTBACK ; |
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242 | |
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243 | count = call_pv(subname, G_SCALAR|G_EVAL); |
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244 | |
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245 | SPAGAIN ; |
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246 | |
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247 | if (SvTRUE(ERRSV)) { |
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248 | owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV)); |
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249 | /* and clear the error */ |
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250 | sv_setsv (ERRSV, &PL_sv_undef); |
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251 | } |
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252 | |
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253 | if (count != 1) { |
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254 | fprintf(stderr, "bad perl! no biscuit! returned wrong count!\n"); |
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255 | abort(); |
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256 | } |
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257 | |
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258 | srv = POPs; |
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259 | |
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260 | if (srv) { |
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261 | out = g_strdup(SvPV_nolen(srv)); |
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262 | } else { |
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263 | out = NULL; |
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264 | } |
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265 | |
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266 | PUTBACK ; |
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267 | FREETMPS ; |
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268 | LEAVE ; |
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269 | |
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270 | return out; |
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271 | } |
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272 | |
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273 | |
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274 | /* Calls a method on a perl object representing a message. |
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275 | If the return value is non-null, the caller must free it. |
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276 | */ |
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277 | CALLER_OWN char *owl_perlconfig_message_call_method(const owl_message *m, const char *method, int argc, const char **argv) |
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278 | { |
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279 | dSP; |
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280 | unsigned int count, i; |
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281 | SV *msgref, *srv; |
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282 | char *out; |
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283 | |
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284 | msgref = owl_perlconfig_message2hashref(m); |
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285 | |
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286 | ENTER; |
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287 | SAVETMPS; |
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288 | |
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289 | PUSHMARK(SP); |
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290 | XPUSHs(sv_2mortal(msgref)); |
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291 | for(i=0;i<argc;i++) { |
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292 | XPUSHs(sv_2mortal(owl_new_sv(argv[i]))); |
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293 | } |
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294 | PUTBACK; |
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295 | |
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296 | count = call_method(method, G_SCALAR|G_EVAL); |
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297 | |
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298 | SPAGAIN; |
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299 | |
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300 | if(count != 1) { |
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301 | fprintf(stderr, "perl returned wrong count %u\n", count); |
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302 | abort(); |
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303 | } |
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304 | |
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305 | if (SvTRUE(ERRSV)) { |
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306 | owl_function_error("Error: '%s'", SvPV_nolen(ERRSV)); |
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307 | /* and clear the error */ |
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308 | sv_setsv (ERRSV, &PL_sv_undef); |
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309 | } |
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310 | |
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311 | srv = POPs; |
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312 | |
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313 | if (srv) { |
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314 | out = g_strdup(SvPV_nolen(srv)); |
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315 | } else { |
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316 | out = NULL; |
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317 | } |
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318 | |
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319 | PUTBACK; |
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320 | FREETMPS; |
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321 | LEAVE; |
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322 | |
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323 | return out; |
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324 | } |
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325 | |
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326 | /* caller must free result, if not NULL */ |
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327 | CALLER_OWN char *owl_perlconfig_initperl(const char *file, int *Pargc, char ***Pargv, char ***Penv) |
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328 | { |
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329 | int ret; |
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330 | PerlInterpreter *p; |
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331 | char *err; |
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332 | const char *args[4] = {"", "-e", "0;", NULL}; |
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333 | AV *inc; |
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334 | char *path; |
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335 | |
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336 | /* create and initialize interpreter */ |
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337 | PERL_SYS_INIT3(Pargc, Pargv, Penv); |
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338 | p=perl_alloc(); |
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339 | owl_global_set_perlinterp(&g, p); |
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340 | perl_construct(p); |
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341 | |
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342 | PL_exit_flags |= PERL_EXIT_DESTRUCT_END; |
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343 | |
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344 | owl_global_set_no_have_config(&g); |
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345 | |
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346 | ret=perl_parse(p, owl_perl_xs_init, 2, (char **)args, NULL); |
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347 | if (ret || SvTRUE(ERRSV)) { |
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348 | err=g_strdup(SvPV_nolen(ERRSV)); |
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349 | sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */ |
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350 | return(err); |
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351 | } |
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352 | |
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353 | ret=perl_run(p); |
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354 | if (ret || SvTRUE(ERRSV)) { |
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355 | err=g_strdup(SvPV_nolen(ERRSV)); |
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356 | sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */ |
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357 | return(err); |
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358 | } |
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359 | |
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360 | owl_global_set_have_config(&g); |
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361 | |
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362 | /* create legacy variables */ |
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363 | get_sv("BarnOwl::id", TRUE); |
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364 | get_sv("BarnOwl::class", TRUE); |
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365 | get_sv("BarnOwl::instance", TRUE); |
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366 | get_sv("BarnOwl::recipient", TRUE); |
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367 | get_sv("BarnOwl::sender", TRUE); |
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368 | get_sv("BarnOwl::realm", TRUE); |
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369 | get_sv("BarnOwl::opcode", TRUE); |
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370 | get_sv("BarnOwl::zsig", TRUE); |
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371 | get_sv("BarnOwl::msg", TRUE); |
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372 | get_sv("BarnOwl::time", TRUE); |
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373 | get_sv("BarnOwl::host", TRUE); |
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374 | get_av("BarnOwl::fields", TRUE); |
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375 | |
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376 | if(file) { |
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377 | SV * cfg = get_sv("BarnOwl::configfile", TRUE); |
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378 | sv_setpv(cfg, file); |
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379 | } |
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380 | |
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381 | sv_setpv(get_sv("BarnOwl::VERSION", TRUE), OWL_VERSION_STRING); |
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382 | |
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383 | /* Add the system lib path to @INC */ |
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384 | inc = get_av("INC", 0); |
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385 | path = g_build_filename(owl_get_datadir(), "lib", NULL); |
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386 | av_unshift(inc, 1); |
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387 | av_store(inc, 0, owl_new_sv(path)); |
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388 | g_free(path); |
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389 | |
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390 | eval_pv("use BarnOwl;", FALSE); |
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391 | |
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392 | if (SvTRUE(ERRSV)) { |
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393 | err=g_strdup(SvPV_nolen(ERRSV)); |
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394 | sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */ |
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395 | return(err); |
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396 | } |
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397 | |
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398 | /* check if we have the formatting function */ |
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399 | if (owl_perlconfig_is_function("BarnOwl::format_msg")) { |
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400 | owl_global_set_config_format(&g, 1); |
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401 | } |
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402 | |
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403 | return(NULL); |
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404 | } |
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405 | |
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406 | /* returns whether or not a function exists */ |
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407 | int owl_perlconfig_is_function(const char *fn) { |
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408 | if (get_cv(fn, FALSE)) return(1); |
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409 | else return(0); |
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410 | } |
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411 | |
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412 | /* caller is responsible for freeing returned string */ |
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413 | CALLER_OWN char *owl_perlconfig_execute(const char *line) |
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414 | { |
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415 | STRLEN len; |
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416 | SV *response; |
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417 | char *out; |
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418 | |
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419 | if (!owl_global_have_config(&g)) return NULL; |
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420 | |
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421 | ENTER; |
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422 | SAVETMPS; |
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423 | /* execute the subroutine */ |
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424 | response = eval_pv(line, FALSE); |
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425 | |
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426 | if (SvTRUE(ERRSV)) { |
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427 | owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV)); |
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428 | sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */ |
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429 | } |
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430 | |
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431 | out = g_strdup(SvPV(response, len)); |
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432 | FREETMPS; |
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433 | LEAVE; |
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434 | |
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435 | return(out); |
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436 | } |
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437 | |
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438 | void owl_perlconfig_getmsg(const owl_message *m, const char *subname) |
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439 | { |
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440 | char *ptr = NULL; |
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441 | if (owl_perlconfig_is_function("BarnOwl::Hooks::_receive_msg")) { |
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442 | ptr = owl_perlconfig_call_with_message(subname?subname |
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443 | :"BarnOwl::_receive_msg_legacy_wrap", m); |
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444 | } |
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445 | g_free(ptr); |
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446 | } |
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447 | |
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448 | /* Called on all new messages; receivemsg is only called on incoming ones */ |
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449 | void owl_perlconfig_newmsg(const owl_message *m, const char *subname) |
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450 | { |
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451 | char *ptr = NULL; |
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452 | if (owl_perlconfig_is_function("BarnOwl::Hooks::_new_msg")) { |
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453 | ptr = owl_perlconfig_call_with_message(subname?subname |
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454 | :"BarnOwl::Hooks::_new_msg", m); |
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455 | } |
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456 | g_free(ptr); |
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457 | } |
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458 | |
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459 | void owl_perlconfig_new_command(const char *name) |
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460 | { |
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461 | dSP; |
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462 | |
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463 | ENTER; |
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464 | SAVETMPS; |
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465 | |
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466 | PUSHMARK(SP); |
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467 | XPUSHs(sv_2mortal(owl_new_sv(name))); |
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468 | PUTBACK; |
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469 | |
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470 | call_pv("BarnOwl::Hooks::_new_command", G_VOID|G_EVAL); |
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471 | |
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472 | SPAGAIN; |
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473 | |
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474 | if(SvTRUE(ERRSV)) { |
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475 | owl_function_error("%s", SvPV_nolen(ERRSV)); |
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476 | } |
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477 | |
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478 | FREETMPS; |
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479 | LEAVE; |
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480 | } |
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481 | |
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482 | /* caller must free the result */ |
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483 | CALLER_OWN char *owl_perlconfig_perlcmd(const owl_cmd *cmd, int argc, const char *const *argv) |
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484 | { |
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485 | int i, count; |
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486 | char * ret = NULL; |
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487 | SV *rv; |
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488 | dSP; |
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489 | |
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490 | ENTER; |
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491 | SAVETMPS; |
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492 | |
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493 | PUSHMARK(SP); |
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494 | for(i=0;i<argc;i++) { |
---|
495 | XPUSHs(sv_2mortal(owl_new_sv(argv[i]))); |
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496 | } |
---|
497 | PUTBACK; |
---|
498 | |
---|
499 | count = call_sv(cmd->cmd_perl, G_SCALAR|G_EVAL); |
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500 | |
---|
501 | SPAGAIN; |
---|
502 | |
---|
503 | if(SvTRUE(ERRSV)) { |
---|
504 | owl_function_error("%s", SvPV_nolen(ERRSV)); |
---|
505 | (void)POPs; |
---|
506 | } else { |
---|
507 | if(count != 1) |
---|
508 | croak("Perl command %s returned more than one value!", cmd->name); |
---|
509 | rv = POPs; |
---|
510 | if(SvTRUE(rv)) { |
---|
511 | ret = g_strdup(SvPV_nolen(rv)); |
---|
512 | } |
---|
513 | } |
---|
514 | |
---|
515 | FREETMPS; |
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516 | LEAVE; |
---|
517 | |
---|
518 | return ret; |
---|
519 | } |
---|
520 | |
---|
521 | void owl_perlconfig_cmd_cleanup(owl_cmd *cmd) |
---|
522 | { |
---|
523 | SvREFCNT_dec(cmd->cmd_perl); |
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524 | } |
---|
525 | |
---|
526 | void owl_perlconfig_edit_callback(owl_editwin *e, bool success) |
---|
527 | { |
---|
528 | SV *cb = owl_editwin_get_cbdata(e); |
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529 | SV *text; |
---|
530 | dSP; |
---|
531 | |
---|
532 | if(cb == NULL) { |
---|
533 | owl_function_error("Perl callback is NULL!"); |
---|
534 | return; |
---|
535 | } |
---|
536 | text = owl_new_sv(owl_editwin_get_text(e)); |
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537 | |
---|
538 | ENTER; |
---|
539 | SAVETMPS; |
---|
540 | |
---|
541 | PUSHMARK(SP); |
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542 | XPUSHs(sv_2mortal(text)); |
---|
543 | XPUSHs(sv_2mortal(newSViv(success))); |
---|
544 | PUTBACK; |
---|
545 | |
---|
546 | call_sv(cb, G_DISCARD|G_EVAL); |
---|
547 | |
---|
548 | if(SvTRUE(ERRSV)) { |
---|
549 | owl_function_error("%s", SvPV_nolen(ERRSV)); |
---|
550 | } |
---|
551 | |
---|
552 | FREETMPS; |
---|
553 | LEAVE; |
---|
554 | } |
---|
555 | |
---|
556 | void owl_perlconfig_dec_refcnt(void *data) |
---|
557 | { |
---|
558 | SV *v = data; |
---|
559 | SvREFCNT_dec(v); |
---|
560 | } |
---|
561 | |
---|
562 | void owl_perl_delete_perl_variable(owl_variable *variable, void *data) |
---|
563 | { |
---|
564 | g_closure_unref(variable->delete_fn); |
---|
565 | variable->delete_fn = NULL; |
---|
566 | SvREFCNT_dec((SV*)data); |
---|
567 | owl_variable_delete(variable); |
---|
568 | } |
---|