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2 nishi 1 
#!/usr/bin/env tclsh
2 
# $Id$
3 
 
4 
set KOAKUMA_VERSION "1.00"
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set components ""
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7 
proc exiting {code} {
8 
	exit $code
9 
}
10 
 
3 nishi 11 
proc loop_components {run} {
12 
	global components
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	foreach {name description version} $components {
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		eval $run
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	}
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}
17 
 
2 nishi 18 
proc crash {reason} {
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	global components KOAKUMA_VERSION
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	puts stderr "----- Start Koakuma Crash dump log -----"
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	puts stderr "Included components:"
3 nishi 22 
	loop_components {
2 nishi 23 
		puts stderr "	$name: $description, version $version"
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	}
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	puts stderr "Reason: $reason"
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	puts stderr "----- End Koakuma Crash dump log -----"
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	puts	"Content-Type: text/html"
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	puts	"Status: 500 Internal Server Error"
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	puts	""
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	puts	"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">"
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	puts	"<html>"
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	puts	"	<head>"
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	puts	"		<meta http-equiv=\"Content-Type\" content=\"text/html;charset=UTF-8\">"
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	puts	"		<title>Oops</title>"
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	puts	"	</head>"
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	puts	"	<body>"
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	puts	"		<h1>Oops</h1>"
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	puts	"		<hr>"
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	puts	"		Koakuma version $KOAKUMA_VERSION crashed, reason: <code>$reason</code><br>"
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	puts	"		See the server error log for details."
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	puts	"	</body>"
42 
	puts	"</html>"
43 
	exiting 1
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}
45 
 
3 nishi 46 
if { ![info exists env(PATH_INFO)] } {
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	puts "Status: 301 Moved Permanently"
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	puts "Location: $env(SCRIPT_NAME)/"
49 
	puts ""
50 
	exiting 0
2 nishi 51 
}
52 
 
3 nishi 53 
if { [catch {
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	package require tdom
55 
}] } {
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	crash "Failed to load tDOM"
2 nishi 57 
}
3 nishi 58 
 
59 
if { [catch {
60 
	foreach path [glob @@PREFIX@@/lib/koakuma/component/*.tcl] {
61 
		source "$path"
62 
	}
63 
}] } {
64 
	crash "Could not load components"
2 nishi 65 
}
3 nishi 66 
 
67 
set toc ""
68 
set result ""
69 
set content ""
70 
 
71 
proc rputs {data} {
72 
	global result
73 
	if { "$result" == "" } {
74 
		set result "$data"
75 
	} else {
76 
		set result "$result\n$data"
77 
	}
78 
}
79 
 
80 
proc tputs {data} {
81 
	global content
82 
	if { "$content" == "" } {
83 
		set content "$data"
84 
	} else {
85 
		set content "$content\n$data"
86 
	}
87 
}
88 
 
89 
proc html_escape {data} {
90 
	return "[regsub -all {&} "[regsub -all {>} "[regsub -all {<} "$data" "&lt;"]" "&gt;"]" "&amp;"]"
91 
}
92 
 
93 
proc open_projects {} {
94 
	while 1 {
95 
		if { ![info exists "@@PREFIX@@/lib/koakuma/db/projects.lock"] } {
96 
			break
97 
		}
98 
		set fid [open "@@PREFIX@@/lib/koakuma/db/projects.lock" "w"]
99 
		if { ![info exists "/proc/[gets $fid line]"] } {
100 
			close $fid
101 
			break
102 
		}
103 
		after 10
104 
		close $fid
105 
	}
106 
	set fid [open "@@PREFIX@@/lib/koakuma/db/projects.lock" "w"]
107 
	puts $fid "[pid]"
108 
	close $fid
109 
}
110 
 
111 
proc scan_projects {run} {
112 
	set fid [open "@@PREFIX@@/lib/koakuma/db/projects.db" "r"]
113 
	set content ""
114 
	while { [gets $fid line] >= 0 } {
115 
		if { "$content" == "" } {
116 
			set content "$line"
117 
		} else {
118 
			set content "$content\n$line"
119 
		}
120 
	}
121 
	close $fid
122 
	set dom [dom parse "$content"]
123 
	set doc [$dom documentElement]
124 
	foreach elem [$doc selectNodes "/projects/project"] {
125 
		set name "[$elem selectNodes "string(name)"]"
126 
		set description "[$elem selectNodes "string(description)"]"
127 
		eval $run
128 
	}
129 
}
130 
 
131 
proc project_exists {projname} {
132 
	set desc ""
133 
	scan_projects {
134 
		upvar 1 desc desc
135 
		upvar 1 projname projname
136 
		if { "$name" == "$projname" } {
137 
			set desc "$description"
138 
			break
139 
		}
140 
	}
141 
	return "$desc"
142 
}
143 
 
144 
proc close_projects {} {
145 
	file delete "@@PREFIX@@/lib/koakuma/db/projects.lock"
146 
}
147 
 
148 
proc start_html {title has_toc} {
149 
	global toc
150 
	rputs	"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">"
151 
	rputs	"<html>"
152 
	rputs	"	<head>"
153 
	rputs	"		<meta http-equiv=\"Content-Type\" content=\"text/html;charset=UTF-8\">"
154 
	rputs	"		<title>$title - Koakuma</title>"
155 
	rputs	"		<link rel=\"stylesheet\" href=\"/static/style.css\">"
156 
	rputs	"	</head>"
157 
	rputs	"	<body>"
158 
	rputs	"		<a href=\"/koakuma\" id=\"gomain\">"
159 
	rputs	"			<img src=\"/static/koakuma.png\" alt=\"Koakuma by Kasuya Baian\" height=\"192px\">"
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	rputs	"		</a>"
161 
	rputs	"		<div id=\"space\"></div>"
162 
	rputs	"		<div id=\"title\">"
163 
	rputs	"			Koakuma"
164 
	rputs	"		</div>"
165 
	rputs	"		<div id=\"clearfix\"></div>"
166 
	if { "$has_toc" == "1" } {
167 
		rputs	"		<div id=\"toc\">"
168 
		rputs	"			<div id=\"toctitle\">TOC</div>"
169 
		foreach sect $toc {
170 
			if { "[string range "[regsub -all { } "$sect" "-"]" 0 0]" == "-" } {
171 
				rputs "<a class=\"shiftlink\" href=\"#TOC-[regsub {^-} "[regsub -all { } "$sect" "-"]" ""]\">[regsub {^-} "$sect" ""]</a><br>"
172 
			} else {
173 
				rputs "<a href=\"#TOC-[regsub -all { } "$sect" "-"]\">$sect</a><br>"
174 
			}
175 
		}
176 
		rputs	"		</div>"
177 
	}
178 
	if { "$has_toc" == "1" } {
179 
		rputs	"		<div id=\"doc\">"
180 
	} else {
181 
		rputs	"		<div id=\"doc-notoc\">"
182 
	}
183 
	rputs	"			<h1>$title</h1>"
184 
}
185 
proc end_html {has_toc} {
186 
	global KOAKUMA_VERSION
187 
	rputs	"		</div>"
188 
	rputs	"		<hr>"
189 
	rputs	"		<i>Powered by <a href=\"http://nishi.boats/koakuma\">Koakuma</a> $KOAKUMA_VERSION</i>"
190 
	rputs	"	</body>"
191 
	rputs	"</html>"
192 
}
193 
 
194 
proc add_toc {data} {
195 
	global toc
196 
	tputs	"<h2 id=\"TOC-[regsub -all { } "$data" "-"]\"><a href=\"#TOC-[regsub -all { } "$data" "-"]\">#</a> $data</h2>"
197 
	lappend toc "$data"
198 
}
199 
 
200 
proc add_toc2 {data} {
201 
	global toc
202 
	tputs	"<h3 id=\"TOC-[regsub -all { } "$data" "-"]\"><a href=\"#TOC-[regsub -all { } "$data" "-"]\">#</a> $data</h3>"
203 
	lappend toc "-$data"
204 
}
205 
 
206 
if { [catch {
207 
	set path "[regsub -all {/+} "$env(PATH_INFO)" "/"]"
208 
	rputs "Content-Type: text/html"
209 
	if { "$path" == "/" } {
210 
		add_toc "Tcl Information"
211 
		tputs	"<table border=\"0\">"
212 
		tputs	"	<tr>"
213 
		tputs	"		<th>"
214 
		tputs	"			Version"
215 
		tputs	"		</th>"
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		tputs	"		<td>"
217 
		tputs	"			$tcl_version"
218 
		tputs	"		</td>"
219 
		tputs	"	</tr>"
220 
		tputs	"	<tr>"
221 
		tputs	"		<th>"
222 
		tputs	"			Platform"
223 
		tputs	"		</th>"
224 
		tputs	"		<td>"
225 
		tputs	"			$tcl_platform(os)/$tcl_platform(machine) $tcl_platform(osVersion)"
226 
		tputs	"		</td>"
227 
		tputs	"	</tr>"
228 
		tputs	"</table>"
229 
		add_toc "Components"
230 
		loop_components {
231 
			if { [llength [info procs "${name}_info"]] > 0 } {
232 
				${name}_info
233 
			}
234 
		}
235 
		set has_projects 0
236 
		add_toc "Projects"
237 
		open_projects
238 
		scan_projects {
239 
			upvar 1 has_projects has_projects
240 
			if { "$has_projects" == "0" } {
241 
				set has_projects 1
242 
				tputs	"<table border=\"0\">"
243 
			}
244 
			tputs	"<tr>"
245 
			tputs	"	<th><a href=\"/koakuma/project/$name\">$name</a></th>"
246 
			tputs	"	<td>$description</td>"
247 
			tputs	"</tr>"
248 
		}
249 
		close_projects
250 
		if { "$has_projects" == "1" } {
251 
			tputs	"</table>"
252 
		} else {
253 
			tputs	"No projects have been added, yet."
254 
		}
255 
 
256 
		rputs ""
257 
		start_html "Main" 1
258 
		rputs "$content"
259 
		end_html 1
260 
	} elseif { [regexp {^/rpc.*$} "$path"] } {
261 
	} elseif { [regexp {^/project/[^/]+.*$} "$path"] } {
262 
		regexp {^/project/([^/]+).*$} "$path" -> projname
263 
		open_projects
264 
		set has_project [project_exists "$projname"]
265 
		close_projects
266 
 
267 
		if { "$has_project" != "" } {
268 
			add_toc "Description"
269 
			tputs "[html_escape "$has_project"]"
270 
 
271 
			rputs ""
272 
			start_html "Project: $projname" 1
273 
			rputs "$content"
274 
			end_html 1
275 
		} else {
276 
			tputs "I could not find the project you were finding."
277 
 
278 
			rputs "Status: 404 Not Found"
279 
			rputs ""
280 
			start_html "Not Found" 0
281 
			rputs "$content"
282 
			end_html 0
283 
		}
284 
	} else {
285 
		tputs "I could not find the content you were finding."
286 
 
287 
		rputs "Status: 404 Not Found"
288 
		rputs ""
289 
		start_html "Not Found" 0
290 
		rputs "$content"
291 
		end_html 0
292 
	}
293 
}] } {
294 
	crash "Could not render the HTML"
295 
} else {
296 
	puts "$result"
297 
}
298 
exiting 0