source: josm/trunk/taginfoextract.groovy@ 7553

Last change on this file since 7553 was 7553, checked in by bastiK, 10 years ago

see #10512 - better taginfo support

File size: 13.2 KB
Line 
1// License: GPL. For details, see LICENSE file.
2/**
3 * Extracts tag information for the taginfo project.
4 *
5 * Run from the base directory of a JOSM checkout:
6 *
7 * groovy -cp dist/josm-custom.jar taginfoextract.groovy
8 */
9
10import java.io.BufferedReader
11//import java.util.ArrayList
12import java.awt.image.BufferedImage
13import javax.imageio.ImageIO
14
15import org.openstreetmap.josm.Main
16import org.openstreetmap.josm.data.coor.LatLon
17import org.openstreetmap.josm.data.osm.Node
18import org.openstreetmap.josm.data.osm.Way
19import org.openstreetmap.josm.data.projection.Projections
20import org.openstreetmap.josm.data.Version
21import org.openstreetmap.josm.gui.mappaint.AreaElemStyle
22import org.openstreetmap.josm.gui.mappaint.Cascade
23import org.openstreetmap.josm.gui.mappaint.Environment
24import org.openstreetmap.josm.gui.mappaint.LineElemStyle
25import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.SimpleKeyValueCondition
26import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource
27import org.openstreetmap.josm.gui.mappaint.mapcss.parsergen.MapCSSParser
28import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector
29import org.openstreetmap.josm.gui.mappaint.MapPaintStyles.IconReference
30import org.openstreetmap.josm.gui.mappaint.MultiCascade
31import org.openstreetmap.josm.io.CachedFile
32
33import org.openstreetmap.josm.gui.NavigatableComponent
34import org.openstreetmap.josm.data.osm.visitor.paint.StyledMapRenderer
35import org.openstreetmap.josm.data.Bounds
36//import org.openstreetmap.josm.data.osm.DataSet
37import org.openstreetmap.josm.data.osm.visitor.paint.MapPaintSettings
38
39class taginfoextract {
40
41 static def options
42 static String image_dir
43 int josm_svn_revision
44 String input_file
45 MapCSSStyleSource style_source
46 FileWriter output_file
47 def base_dir = "."
48 def tags = [] as Set
49
50 private def cached_svnrev
51
52 /**
53 * Check if a certain tag is supported by the style as node / way / area.
54 */
55 abstract class Checker {
56
57 def tag
58 def osm
59
60 Checker(tag) {
61 this.tag = tag
62 }
63
64 def apply_stylesheet(osm) {
65 osm.put(tag[0], tag[1])
66 def mc = new MultiCascade()
67
68 def env = new Environment(osm, mc, null, style_source)
69 for (def r in style_source.rules) {
70 env.clearSelectorMatchingInformation()
71 env.layer = r.selector.getSubpart()
72 if (r.selector.matches(env)) {
73 // ignore selector range
74 if (env.layer == null) {
75 env.layer = "default"
76 }
77 r.execute(env)
78 }
79 }
80 env.layer = "default"
81 return env
82 }
83
84 /**
85 * Determine full image url (can refer to JOSM or OSM repository).
86 */
87 def find_image_url(path) {
88 def f = new File("${base_dir}/images/styles/standard/${path}")
89 if (f.exists()) {
90 def rev = osm_svn_revision()
91 return "http://trac.openstreetmap.org/export/${rev}/subversion/applications/share/map-icons/classic.small/${path}"
92 }
93 f = new File("${base_dir}/images/${path}")
94 if (f.exists()) {
95 return "https://josm.openstreetmap.de/export/${josm_svn_revision}/josm/trunk/images/${path}"
96 }
97 assert false, "Cannot find image url for ${path}"
98 }
99
100 /**
101 * Create image file from ElemStyle.
102 * @return the URL
103 */
104 def create_image(elem_style, type, nc) {
105 def img = new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB)
106 def g = img.createGraphics()
107 g.setClip(0, 0, 16, 16)
108 def renderer = new StyledMapRenderer(g, nc, false)
109 renderer.getSettings(false)
110 elem_style.paintPrimitive(osm, MapPaintSettings.INSTANCE, renderer, false, false)
111 def image_url = "${image_dir}/${type}_${tag[0]}=${tag[1]}.png"
112 ImageIO.write(img, "png", new File(image_url))
113 return image_url
114 }
115
116 /**
117 * Checks, if tag is supported and find URL for image icon in this case.
118 * @param generate_image if true, create or find a suitable image icon and return URL,
119 * if false, just check if tag is supported and return true or false
120 */
121 abstract def find_url(boolean generate_image)
122 }
123
124 class NodeChecker extends Checker {
125 NodeChecker(tag) {
126 super(tag)
127 }
128
129 def find_url(boolean generate_image) {
130 osm = new Node(new LatLon(0,0))
131 def env = apply_stylesheet(osm)
132 def c = env.mc.getCascade("default")
133 def image = c.get("icon-image")
134 if (image) {
135 if (image instanceof IconReference) {
136 if (image.iconName != "misc/deprecated.png")
137 return find_image_url(image.iconName)
138 }
139 }
140 }
141 }
142
143 class WayChecker extends Checker {
144 WayChecker(tag) {
145 super(tag)
146 }
147
148 def find_url(boolean generate_image) {
149 osm = new Way()
150 def nc = new NavigatableComponent()
151 def n1 = new Node(nc.getLatLon(2,8))
152 def n2 = new Node(nc.getLatLon(14,8))
153 osm.addNode(n1)
154 osm.addNode(n2)
155 def env = apply_stylesheet(osm)
156 def les = LineElemStyle.createLine(env)
157 if (les != null) {
158 if (!generate_image) return true
159 return create_image(les, 'way', nc)
160 }
161 }
162 }
163
164 class AreaChecker extends Checker {
165 AreaChecker(tag) {
166 super(tag)
167 }
168
169 def find_url(boolean generate_image) {
170 osm = new Way()
171 def nc = new NavigatableComponent()
172 def n1 = new Node(nc.getLatLon(2,2))
173 def n2 = new Node(nc.getLatLon(14,2))
174 def n3 = new Node(nc.getLatLon(14,14))
175 def n4 = new Node(nc.getLatLon(2,14))
176 osm.addNode(n1)
177 osm.addNode(n2)
178 osm.addNode(n3)
179 osm.addNode(n4)
180 osm.addNode(n1)
181 def env = apply_stylesheet(osm)
182 def aes = AreaElemStyle.create(env)
183 if (aes != null) {
184 if (!generate_image) return true
185 return create_image(aes, 'area', nc)
186 }
187 }
188 }
189
190 /**
191 * Main method.
192 */
193 static main(def args) {
194 parse_command_line_arguments(args)
195 def script = new taginfoextract()
196 script.run()
197 System.exit(0)
198 }
199
200 /**
201 * Parse command line arguments.
202 */
203 static void parse_command_line_arguments(args) {
204 def cli = new CliBuilder(usage:'taginfoextract.groovy [options] [inputfile]',
205 header:"Options:",
206 footer:"[inputfile] the file to process (optional, default is 'resource://styles/standard/elemstyles.mapcss')")
207 cli.o(args:1, argName: "file", "output file, - prints to stdout (default: -)")
208 cli._(longOpt:'svnrev', args:1, argName:"revision", "corresponding revision of the repository http://svn.openstreetmap.org/ (optional, current revision is fetched from the web if not given)")
209 cli._(longOpt:'imgdir', args:1, argName:"directory", "directory to put the generated images in (default: ./taginfo-img)")
210 cli._(longOpt:'svnweb', 'fetch revision of the repository http://svn.openstreetmap.org/ from web and not from the local repository')
211 cli.h(longOpt:'help', "show this help")
212 options = cli.parse(args)
213
214 if (options.h) {
215 cli.usage()
216 System.exit(0)
217 }
218 if (options.arguments().size() > 1) {
219 System.err.println "Error: More than one input file given!"
220 cli.usage()
221 System.exit(-1)
222 }
223 if (options.svnrev) {
224 assert Integer.parseInt(options.svnrev) > 0
225 }
226 image_dir = 'taginfo-img'
227 if (options.imgdir) {
228 image_dir = options.imgdir
229 }
230 def image_dir_file = new File(image_dir)
231 if (!image_dir_file.exists()) {
232 image_dir_file.mkdirs()
233 }
234 }
235
236 void run() {
237 init()
238 parse_style_sheet()
239 collect_tags()
240
241 def datetime = new Date().format("yyyyMMdd'T'hhmmssZ")
242 output """{
243 | "data_format": 1,
244 | "data_updated": "${datetime}",
245 | "project": {
246 | "name": "JOSM main mappaint style",
247 | "description": "Tags supported by the main mappaint style in the OSM editor JOSM",
248 | "project_url": "http://josm.openstreetmap.de/",
249 | "icon_url": "http://josm.openstreetmap.de/export/7543/josm/trunk/images/logo_16x16x8.png",
250 | "contact_name": "JOSM developer team",
251 | "contact_email": "josm-dev@openstreetmap.org"
252 | },
253 | "tags": [
254 |""".stripMargin()
255 // another optional field is "data_url": ...
256
257 def sep = ""
258 for (tag in tags) {
259 def types = []
260 def final_url = null
261
262 def node_url = new NodeChecker(tag).find_url(true)
263 if (node_url) {
264 types += '"node"'
265 final_url = node_url
266 }
267 def way_url = new WayChecker(tag).find_url(final_url == null)
268 if (way_url) {
269 types += '"way"'
270 if (!final_url) {
271 final_url = way_url
272 }
273 }
274 def area_url = new AreaChecker(tag).find_url(final_url == null)
275 if (area_url) {
276 types += '"area"'
277 if (!final_url) {
278 final_url = area_url
279 }
280 }
281
282 output """${sep} {
283 | "key": "${tag[0]}",
284 | "value": "${tag[1]}",
285 | "object_types": ${types}""".stripMargin()
286 if (final_url != null) {
287 output """,
288 | "icon_url": "${final_url}"
289 | }""".stripMargin()
290 } else {
291 output """
292 | }""".stripMargin()
293 }
294 sep = ",\n"
295 }
296 output """
297 | ]
298 |}
299 |""".stripMargin()
300
301 if (output_file != null) {
302 output_file.close()
303 }
304 }
305
306 /**
307 * Initialize the script.
308 */
309 def init() {
310 Main.initApplicationPreferences()
311 Main.pref.enableSaveOnPut(false)
312 Main.setProjection(Projections.getProjectionByCode("EPSG:3857"))
313
314 josm_svn_revision = Version.getInstance().getVersion()
315 assert josm_svn_revision != Version.JOSM_UNKNOWN_VERSION
316
317 if (options.arguments().size() == 0) {
318 input_file = "resource://styles/standard/elemstyles.mapcss"
319 } else {
320 input_file = options.arguments()[0]
321 }
322
323 output_file = null
324 if (options.o && options.o != "-") {
325 output_file = new FileWriter(options.o)
326 }
327 }
328
329 /**
330 * Get revision for the repository http://svn.openstreetmap.org.
331 */
332 def osm_svn_revision() {
333 if (cached_svnrev != null) return cached_svnrev
334 if (options.svnrev) {
335 cached_svnrev = Integer.parseInt(options.svnrev)
336 return cached_svnrev
337 }
338 def xml
339 if (options.svnweb) {
340 xml = "svn info --xml http://svn.openstreetmap.org/applications/share/map-icons/classic.small".execute().text
341 } else {
342 xml = "svn info --xml ${base_dir}/images/styles/standard/".execute().text
343 }
344
345 def svninfo = new XmlParser().parseText(xml)
346 def rev = svninfo.entry.'@revision'[0]
347 cached_svnrev = Integer.parseInt(rev)
348 assert cached_svnrev > 0
349 return cached_svnrev
350 }
351
352 /**
353 * Read the style sheet file and parse the MapCSS code.
354 */
355 def parse_style_sheet() {
356 def file = new CachedFile(input_file)
357 def stream = file.getInputStream()
358 def parser = new MapCSSParser(stream, "UTF-8", MapCSSParser.LexicalState.DEFAULT)
359 style_source = new MapCSSStyleSource("")
360 style_source.url = ""
361 parser.sheet(style_source)
362 }
363
364 /**
365 * Collect all the tag from the style sheet.
366 */
367 def collect_tags() {
368 for (rule in style_source.rules) {
369 def selector = rule.selector
370 if (selector instanceof GeneralSelector) {
371 def conditions = selector.getConditions()
372 for (cond in conditions) {
373 if (cond instanceof SimpleKeyValueCondition) {
374 tags.add([cond.k, cond.v])
375 }
376 }
377 }
378 }
379 }
380
381 /**
382 * Write the JSON output (either to file or to command line).
383 */
384 def output(x) {
385 if (output_file != null) {
386 output_file.write(x)
387 } else {
388 print x
389 }
390 }
391
392 static def err_println(s) {
393 System.err.println(s);
394 }
395
396 static def err_print(s) {
397 System.err.print(s);
398 }
399
400}
401
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