summaryrefslogtreecommitdiff
path: root/src/lua-script/script.h
blob: e29003f44071db00ab518e5754c97a96cf62294e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
const char *argent_script =
   "return function(config)\n"
   "   local fmt = string.format\n"
   "\n"
   "   --------------------------------\n"
   "   --\n"
   "   -- basics\n"
   "   --\n"
   "   --------------------------------\n"
   "\n"
   "   function Set(array, transform)\n"
   "      if type(array) ~= 'table' then return nil end\n"
   "\n"
   "      local transform = transform or function(x) return x end\n"
   "\n"
   "      local set = {}\n"
   "      for _, element in ipairs(array) do\n"
   "	 set[transform(element)] = true\n"
   "      end\n"
   "      return set\n"
   "   end\n"
   "\n"
   "   function set_tostring(set)\n"
   "      local str = '[empty]'\n"
   "      for element in pairs(set) do\n"
   "	 if str == '[empty]' then\n"
   "	    str = tostring(element)\n"
   "	 else\n"
   "	    str = str .. '; '.. tostring(element)\n"
   "	 end\n"
   "      end\n"
   "\n"
   "      return str\n"
   "   end\n"
   "\n"
   "\n"
   "   function add_end_slash(str)\n"
   "      if type(str) ~= 'string' then return nil end\n"
   "      if string.match(str, '/$') then return str end\n"
   "      return str .. '/'\n"
   "   end\n"
   "\n"
   "\n"
   "   function strip_end_slash(str)\n"
   "      if string.match(str, '/$') then return string.sub(str, 1, #str-1) end\n"
   "      return str\n"
   "   end\n"
   "\n"
   "\n"
   "   function load_layouts(directory, parent, layouts)\n"
   "      local directory = add_end_slash(directory) or ''\n"
   "      local parent = parent or ''\n"
   "      local layouts = layouts or {}\n"
   "\n"
   "      local fullpath = parent..directory\n"
   "      local dirs, files = argent.scanDirectory(argent.config.layout_directory..fullpath)\n"
   "\n"
   "      for _, file in ipairs(files) do\n"
   "	 if string.match(file, '%.lua$') then\n"
   "	    local basename = string.gsub(file, '%.lua$', '')\n"
   "	    local id = string.gsub(fullpath..basename, '/', '.')\n"
   "	    argent.log('debug', fmt('loading layout %q', id))\n"
   "	    success, result = pcall(loadfile(argent.config.layout_directory..fullpath..file), 0, 1)\n"
   "	    if not success then\n"
   "	       argent.log('error', result)\n"
   "	       argent.log('warn', fmt('layout %q will not be available', id))\n"
   "	    else\n"
   "	       layouts[id] = result\n"
   "	    end\n"
   "	 end\n"
   "      end\n"
   "\n"
   "      for _, dir in ipairs(dirs) do\n"
   "	 if dir ~= '.' and dir ~= '..' then\n"
   "	    argent.log('debug', fmt('loading layouts from %q', parent..directory))\n"
   "	    load_layouts(dir, parent..directory, layouts)\n"
   "	 end\n"
   "      end\n"
   "\n"
   "      return layouts\n"
   "   end\n"
   "\n"
   "\n"
   "   function setup(config)\n"
   "      argent.log('debug', 'begin setup')\n"
   "      \n"
   "      argent.config = {\n"
   "	 site_directory = add_end_slash(config.site_directory) or 'site/',\n"
   "	 output_directory = add_end_slash(config.output_directory) or 'public/',\n"
   "	 layout_directory = add_end_slash(config.layout_directory) or nil,\n"
   "	 plugin_directory = add_end_slash(config.plugin_directory) or nil,\n"
   "	 exclude = Set(config.exclude, strip_end_slash) or {},\n"
   "	 include = Set(config.include, strip_end_slash) or {},\n"
   "	 keep = Set(config.keep, strip_end_slash) or {},\n"
   "	 noprocess = Set(config.noprocess, strip_end_slash) or {},\n"
   "	 rss_include = Set(config.rss_include, strip_end_slash) or {},\n"
   "      }\n"
   "\n"
   "      argent.log('info', fmt('site directory: %s', argent.config.site_directory))\n"
   "      argent.log('info', fmt('output directory: %s', argent.config.output_directory))\n"
   "      argent.log('info', fmt('layout directory: %s', tostring(argent.config.layout_directory)))\n"
   "      argent.log('info', fmt('plugin directory: %s', tostring(argent.config.plugin_directory)))\n"
   "\n"
   "      argent.log('info', 'exclusions: '..set_tostring(argent.config.exclude))\n"
   "      argent.log('info', 'inclusions: '..set_tostring(argent.config.include))\n"
   "      argent.log('info', 'files to keep: '..set_tostring(argent.config.keep))\n"
   "      argent.log('info', 'noprocess: '..set_tostring(argent.config.noprocess))\n"
   "      argent.log('info', 'rss files: '..set_tostring(argent.config.rss_include))\n"
   "\n"
   "      if argent.config.layout_directory then\n"
   "	 argent.layouts = load_layouts()\n"
   "      else\n"
   "	 argent.layouts = {}\n"
   "      end\n"
   "      argent.log('info', fmt('available layouts: %s', set_tostring(argent.layouts)))\n"
   "      \n"
   "      if argent.config.plugin_directory then\n"
   "	 package.path =\n"
   "	    add_end_slash(argent.currentWorkingDirectory())\n"
   "	    ..argent.config.plugin_directory..'?.lua;'..package.path\n"
   "      end\n"
   "      argent.log('debug', 'end setup')\n"
   "   end\n"
   "\n"
   "\n"
   "   function is_dotfile(filename)\n"
   "      if string.match(filename, '^%.') then return true end\n"
   "      return false\n"
   "   end\n"
   "\n"
   "\n"
   "   function directory_exists(directory, parent)\n"
   "      local directory = directory or ''\n"
   "      local parent = parent or ''\n"
   "      local dirs = argent.scanDirectory(argent.config.output_directory..parent)\n"
   "      for _, dir in ipairs(dirs) do\n"
   "	 if strip_end_slash(directory) == dir then return true end\n"
   "      end\n"
   "      return false\n"
   "   end\n"
   "\n"
   "\n"
   "   function output_directory_exists()\n"
   "      local dirs = argent.scanDirectory('./')\n"
   "      for _, dir in ipairs(dirs) do\n"
   "	 if add_end_slash(dir) == argent.config.output_directory then\n"
   "	    return true\n"
   "	 end\n"
   "      end\n"
   "      return false\n"
   "   end\n"
   "\n"
   "\n"
   "   --------------------------------\n"
   "   --\n"
   "   -- obliterating\n"
   "   --\n"
   "   --------------------------------\n"
   "\n"
   "   function obliterate_file(file, parent)\n"
   "      if argent.config.keep[file] then\n"
   "	 argent.log('debug', fmt('retaining file %q', parent..file))\n"
   "	 return true\n"
   "      end\n"
   "\n"
   "      argent.log('debug', fmt('removing file %q', parent..file))\n"
   "      os.remove(argent.config.output_directory..parent..file)\n"
   "      return false\n"
   "   end\n"
   "\n"
   "\n"
   "   function obliterate_dir(dir, parent)\n"
   "      if argent.config.keep[strip_end_slash(dir)] then\n"
   "	 argent.log('debug', fmt('retaining directory %q', parent..dir))\n"
   "	 return true\n"
   "      end\n"
   "\n"
   "      argent.log('debug', fmt('obliterating files in %q', parent..dir))\n"
   "      return obliterate_directory(dir, parent)\n"
   "   end\n"
   "\n"
   "\n"
   "   function obliterate_directory(dirname, parent)\n"
   "      local dirname = add_end_slash(dirname) or ''\n"
   "      local parent = parent or ''\n"
   "\n"
   "      if argent.config.keep[dirname] then return true end\n"
   "\n"
   "      local keep_self = (dirname == '')\n"
   "\n"
   "      local dirs, files = argent.scanDirectory(argent.config.output_directory..parent..dirname)\n"
   "      for _, file in ipairs(files) do\n"
   "	 keep_self = obliterate_file(file, parent..dirname) or keep_self\n"
   "      end\n"
   "      for _, dir in ipairs(dirs) do\n"
   "	 if dir ~= '.' and dir ~= '..' then\n"
   "	    keep_self = obliterate_dir(dir, parent..dirname) or keep_self\n"
   "	 end\n"
   "      end\n"
   "\n"
   "      if not keep_self then\n"
   "	 os.remove(argent.config.output_directory..parent..dirname)\n"
   "	 return false\n"
   "      else\n"
   "	 return true\n"
   "      end\n"
   "   end\n"
   "\n"
   "\n"
   "   --------------------------------\n"
   "   --\n"
   "   -- processing\n"
   "   --\n"
   "   --------------------------------\n"
   "\n"
   "   function should_include(filename, parent)\n"
   "      for pattern in pairs(argent.config.include) do\n"
   "	 if string.match(filename, pattern) or string.match(parent..filename, pattern) then\n"
   "	    return true\n"
   "	 end\n"
   "      end\n"
   "      return false\n"
   "   end\n"
   "\n"
   "   function should_ignore(filename, parent)\n"
   "      if is_dotfile(filename) and not should_include(filename, parent) then\n"
   "	 return false\n"
   "      end\n"
   "\n"
   "      for pattern in pairs(argent.config.exclude) do\n"
   "	 if string.match(filename, pattern)\n"
   "	    or string.match(parent..filename, pattern) then\n"
   "	    return true\n"
   "	 end\n"
   "      end\n"
   "\n"
   "      return false\n"
   "   end\n"
   "\n"
   "   function process_file(filename, parent)\n"
   "      if should_ignore(filename, parent) then\n"
   "	 argent.log('debug', fmt('will not process file %q', parent..filename))\n"
   "	 return\n"
   "      end\n"
   "\n"
   "      if string.match(filename, '%.lua$') and not argent.config.noprocess[filename] then\n"
   "	 argent.log('debug', fmt('processing %q as lua file', parent..filename))\n"
   "	 process_lua_file(filename, parent)\n"
   "      else\n"
   "	 argent.log('debug', fmt('processing %q as regular file', parent..filename))\n"
   "	 argent.copyFile(\n"
   "	    argent.config.site_directory..parent..filename,\n"
   "	    argent.config.output_directory..parent..filename\n"
   "	 )\n"
   "      end\n"
   "   end\n"
   "\n"
   "\n"
   "   function process_lua_file(filename, parent)\n"
   "      local success, result = pcall(loadfile(argent.config.site_directory..parent..filename))\n"
   "      if not success then\n"
   "	 print('WARNING: '..result)\n"
   "	 return\n"
   "      end\n"
   "\n"
   "      if not type(result) == 'table' then\n"
   "	 argent.log('error', fmt('%q returned %q instead of %q', filename, type(result), 'table'))\n"
   "	 argent.log('warn', fmt('%q will not result in file output!', filename))\n"
   "	 return\n"
   "      end\n"
   "\n"
   "      local html\n"
   "      if result.html then\n"
   "	 html = result.html\n"
   "      elseif result.markdown then\n"
   "	 html = argent.markdown(result.markdown)\n"
   "      else\n"
   "	 argent.log('error', fmt('%q did not specify any content!', filename))\n"
   "	 argent.log('warn', fmt('%q will not result in file output!', filename))\n"
   "	 return\n"
   "      end\n"
   "\n"
   "      if not result.title then\n"
   "	 result.title = string.gsub(filename, '%.lua$', '')\n"
   "	 argent.log('warn', fmt('%q did not specify a title; using default title of %q',\n"
   "				filename, result.title))\n"
   "      end\n"
   "\n"
   "      local layout = function(html, tbl) return html end\n"
   "      if result.layout then\n"
   "	 if not argent.layouts[result.layout] then\n"
   "	    argent.log('error', fmt('%q requested nonexistent layout %q', filename, result.layout))\n"
   "	    argent.log('warn', fmt('%q will not result in file output!', filename))\n"
   "	    return\n"
   "	 else\n"
   "	    layout = argent.layouts[result.layout]\n"
   "	 end\n"
   "      else -- no layout specified\n"
   "	 argent.log('warn', fmt(\n"
   "		       '%q did not specify a layout; output will be naked content!',\n"
   "		       filename))\n"
   "      end\n"
   "\n"
   "      local output_data = layout(html, result)\n"
   "      local output_name = string.gsub(filename, '%.lua$', '.html')\n"
   "      local output_file = io.open(argent.config.output_directory..parent..output_name, 'w')\n"
   "      output_file:write(output_data)\n"
   "      output_file:close()\n"
   "   end\n"
   "\n"
   "\n"
   "   function process_dir(directory, parent)\n"
   "      if should_ignore(directory, parent) then\n"
   "	 argent.log('debug', fmt('will not process directory %q', parent..directory))\n"
   "	 return\n"
   "      end\n"
   "\n"
   "      if not directory_exists(directory, parent) then\n"
   "	 argent.createDirectory(argent.config.output_directory..parent..directory)\n"
   "      end\n"
   "      process_directory(directory, parent)\n"
   "   end\n"
   "\n"
   "\n"
   "   function process_directory(directory, parent)\n"
   "      local directory = add_end_slash(directory) or ''\n"
   "      local parent = add_end_slash(parent) or ''\n"
   "      local dirs, files = argent.scanDirectory(argent.config.site_directory..parent..directory)\n"
   "      for _, file in ipairs(files) do\n"
   "	 process_file(file, parent..directory)\n"
   "      end\n"
   "\n"
   "      for _, dir in ipairs(dirs) do\n"
   "	 if dir ~= '.' and dir ~= '..' then\n"
   "	    process_dir(dir, parent..directory)\n"
   "	 end\n"
   "      end\n"
   "   end\n"
   "\n"
   "\n"
   "   --------------------------------\n"
   "   --\n"
   "   -- putting it all together\n"
   "   --\n"
   "   --------------------------------\n"
   "\n"
   "   setup(config)\n"
   "   if not output_directory_exists() then\n"
   "      argent.createDirectory(argent.config.output_directory)\n"
   "   else\n"
   "      obliterate_directory()\n"
   "   end\n"
   "   process_directory()\n"
   "end\n"
;