vanilla-wow-addons – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | --[[ |
2 | path: /ChatParse/ |
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3 | filename: PFChatParse.lua |
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4 | author: "Daniel Risse" <dan@risse.com> |
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5 | created: Thu, 03 Feb 2004 00:38:00 -0600 |
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6 | updated: |
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7 | |||
8 | Chat Parse: Used to scrap information from Chat Messages |
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9 | |||
10 | |||
11 | |||
12 | COMBATLOG_XPGAIN_EXHAUSTION1_GROUP = "%s dies, you gain %d experience. (%s exp %s bonus, +%d group bonus)"; |
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13 | |||
14 | local spec = PFChatParse_FormatToPattern(COMBATLOG_XPGAIN_EXHAUSTION1_GROUP, "creepName", "xp", CHAT_PARSE_VALUE1, CHAT_PARSE_NAME1, "group"); |
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15 | |||
16 | local message = format(COMBATLOG_XPGAIN_EXHAUSTION1_GROUP, "Creep X", 100, "+20", "rested", 10); |
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17 | -- Creep X dies, you gain 100 experience. (+20 exp rested bonus, +10 group bonus) |
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18 | |||
19 | local match = PFChatParse_MatchPattern(message, spec); |
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20 | if ( match ) then |
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21 | PFDebugMessage("test", "Wahoo!!!"..match.creepName, "info"); |
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22 | end |
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23 | ]] |
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24 | |||
25 | |||
26 | local PFChatParse_Events = { }; |
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27 | |||
28 | function PFChatParse_OnLoad() |
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29 | end |
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30 | |||
31 | function PFChatParse_OnEvent(event) |
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32 | if ( not PFChatParse_Events[event] ) then |
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33 | --this:UnregisterEvent(event); |
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34 | PFDebugMessage("CP", "OnEvent("..event..") called but nothing registered...", "warning"); |
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35 | else |
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36 | local index, info, match, processed, string; |
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37 | processed = { }; |
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38 | for index, info in PFChatParse_Events[event] do |
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39 | if ( not info.AddOn or not processed[info.AddOn] ) then |
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40 | if ( info.input ) then |
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41 | string = info.input() |
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42 | else |
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43 | string = arg1; |
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44 | end |
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45 | match = PFChatParse_MatchPattern(string, info.patternSpec); |
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46 | if ( match ) then |
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47 | result = info.func(match); |
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48 | if ( not result and info.AddOn ) then |
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49 | processed[info.AddOn] = true; |
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50 | end |
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51 | end |
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52 | end |
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53 | end |
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54 | end |
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55 | end |
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56 | |||
57 | function PFChatParse_RegisterEvent(info) |
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58 | if ( type(info) ~= "table" ) then |
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59 | PFDebugMessage("CP", "Input to PFChatParse_RegisterEvent must be a table!", "error"); |
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60 | return nil; |
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61 | elseif ( not info.event or type(info.event) ~= "string" ) then |
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62 | PFDebugMessage("CP", "Input to PFChatParse_RegisterEvent must contain an event to watch!", "error"); |
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63 | return nil; |
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64 | elseif ( not info.func or type(info.func) ~= "function" ) then |
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65 | PFDebugMessage("CP", "Input to PFChatParse_RegisterEvent must contain a function to call back to!", "error"); |
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66 | return nil; |
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67 | elseif ( not info.template or type(info.template) ~= "string" ) then |
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68 | PFDebugMessage("CP", "Input to PFChatParse_RegisterEvent must contain a template to match against the Chat message!", "error"); |
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69 | return nil; |
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70 | |||
71 | elseif ( not PFChatParse_Events[info.event] ) then |
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72 | PFChatParseFrame:RegisterEvent(info.event); |
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73 | PFChatParse_Events[info.event] = { }; |
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74 | table.setn(PFChatParse_Events[info.event], 0); |
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75 | end |
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76 | |||
77 | if ( not info.AddOn ) then |
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78 | PFDebugMessage("CP", "Input to PFChatParse_RegisterEvent did not contain AddOn name; this is needed to PFChatParse_UnregisterEvent and to stop looking for additional matches.", "warning"); |
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79 | end |
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80 | PFDebugMessage("CP", "new spec for event: "..info.event, "helper"); |
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81 | |||
82 | local spec = PFChatParse_FormatToPattern(info.template, info.fields, info.english); |
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83 | if ( spec ) then |
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84 | table.insert(PFChatParse_Events[info.event], { func = info.func, patternSpec = spec, AddOn = info.AddOn, input = info.input }); |
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85 | end |
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86 | end |
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87 | |||
88 | function PFChatParse_UnregisterEvent(info) |
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89 | if ( type(info) ~= "table" ) then |
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90 | PFDebugMessage("CP", "Input to PFChatParse_UnregisterEvent must be a table!", "error"); |
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91 | return nil; |
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92 | elseif ( not info.AddOn or type(info.AddOn) ~= "string" ) then |
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93 | PFDebugMessage("CP", "Input to PFChatParse_UnregisterEvent must contain an AddOn to stop watching!", "error"); |
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94 | return nil; |
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95 | end |
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96 | local event, specList, index, spec; |
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97 | |||
98 | for event, specList in PFChatParse_Events do |
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99 | if ( not info.event or event == info.event ) then |
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100 | for index, spec in specList do |
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101 | if ( info.AddOn == spec.AddOn ) then |
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102 | table.remove(PFChatParse_Events[event], index); |
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103 | end |
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104 | end |
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105 | if ( table.getn(PFChatParse_Events[event]) == 0 ) then |
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106 | PFChatParse_Events[event] = nil; |
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107 | PFChatParseFrame:UnregisterEvent(event); |
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108 | end |
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109 | end |
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110 | end |
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111 | end |
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112 | |||
113 | -- ("%s hits you for %d damage.", "creep", "damage"); |
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114 | -- this function will convert a format string into a pattern that will extract |
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115 | -- named parameters from the string |
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116 | |||
117 | function PFChatParse_FormatToPattern(template, fields, english) |
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118 | PFDebugMessage("CP", "template: "..template, "helper"); |
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119 | local ret = { pattern = template }; |
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120 | ret.pattern = string.gsub(ret.pattern, "%(", "%%("); |
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121 | ret.pattern = string.gsub(ret.pattern, "%)", "%%)"); |
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122 | ret.pattern = string.gsub(ret.pattern, "%.", "%%."); |
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123 | ret.pattern = string.gsub(ret.pattern, "%+", "%%+"); |
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124 | ret.pattern = string.gsub(ret.pattern, "%[", "%%["); |
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125 | ret.pattern = string.gsub(ret.pattern, "%]", "%%]"); |
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126 | |||
127 | local index, field, count, matchCount, fieldCount; |
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128 | matchCount = 0; |
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129 | fieldCount = 0; |
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130 | local replaceFunc = function(i, m) |
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131 | if ( i == "" ) then |
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132 | matchCount = matchCount + 1; |
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133 | i = matchCount; |
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134 | else |
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135 | i = 0 + i; |
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136 | end |
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137 | PFDebugMessage("CP", "Match: "..i..", "..m, "helper"); |
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138 | if ( not fields[i] ) then |
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139 | if ( m == "d" ) then |
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140 | return "[0-9]+"; |
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141 | elseif ( m == "s" ) then |
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142 | return ".+"; |
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143 | end |
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144 | else |
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145 | fieldCount = fieldCount + 1; |
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146 | ret[fieldCount] = fields[i]; |
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147 | fields[i] = nil; |
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148 | if ( m == "d" ) then |
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149 | return "([0-9]+)"; |
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150 | elseif ( m == "s" ) then |
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151 | return "(.+)"; |
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152 | end |
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153 | end |
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154 | end; |
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155 | ret.pattern, count = string.gsub(ret.pattern, "%%(%d*)$?([ds])", replaceFunc); |
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156 | if ( next(fields) ) then |
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157 | if ( english ) then |
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158 | PFDebugMessage("CP", "More names passed than substitution items!\n "..template.."\n "..english, "error"); |
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159 | else |
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160 | PFDebugMessage("CP", "More names passed than substitution items!", "error"); |
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161 | end |
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162 | end |
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163 | PFDebugMessage("CP", "pattern: "..ret.pattern, "helper"); |
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164 | return ret; |
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165 | end |
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166 | |||
167 | |||
168 | function PFChatParse_MatchPattern(message, spec) |
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169 | local match = { string.gfind(message, spec.pattern)() }; |
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170 | if ( table.getn(match) ~= 0 ) then |
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171 | local ret = { }; |
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172 | local index; |
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173 | for index=1, table.getn(match), 1 do |
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174 | if ( spec[index] ) then |
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175 | ret[spec[index]] = match[index]; |
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176 | end |
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177 | end |
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178 | return ret; |
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179 | end |
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180 | return nil; |
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181 | end |