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Overview
Comment: | Rudimentary support for interwiki links. |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | interwiki |
Files: | files | file ages | folders |
SHA3-256: |
3ca23edc8fe05300dc31dbc3d771e39a |
User & Date: | drh 2020-08-22 20:23:28 |
Context
2020-08-22
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23:21 | The "Code" on an inter-wiki link must be ascii alphanumeric. Sync the inter-wiki config table entries on clone. ... (check-in: 55053678 user: drh tags: interwiki) | |
20:23 | Rudimentary support for interwiki links. ... (check-in: 3ca23edc user: drh tags: interwiki) | |
19:07 | Update the Fossil Wiki and Markdown cheat-sheets to include hyperlinks to one another. ... (check-in: 0ae2dbd4 user: drh tags: trunk) | |
Changes
Changes to src/wikiformat.c.
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1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 | " AND xB.tagid=tag.tagid AND xB.mtime>xA.mtime", zTarget, wikiOverrideHash ) ){ return 0; } return wikiOverrideHash; } /* ** Resolve a hyperlink. The zTarget argument is the content of the [...] ** in the wiki. Append to the output string whatever text is appropriate ** for opening the hyperlink. Write into zClose[0...nClose-1] text that will ** close the markup. ** | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 | " AND xB.tagid=tag.tagid AND xB.mtime>xA.mtime", zTarget, wikiOverrideHash ) ){ return 0; } return wikiOverrideHash; } /* ** If zTarget is an interwiki link, return a pointer to a URL for that ** link target in memory obtained from fossil_malloc(). If zTarget is ** not a valid interwiki link, return NULL. ** ** An interwiki link target is of the form: ** ** Code:PageName ** ** "Code" is a brief code that describes the intended target wiki. ** Codes are assigned by "intermap:*" entries in the CONFIG table. ** The link is only valid if there exists an try in the CONFIG table ** that matches "intermap:Code". ** ** Each value of each intermap:Code entry in the CONFIG table is a JSON ** object with the following fields: ** ** { ** "base": Base URL for the remote site. ** "hash": Append this to "base" for Hash targets. ** "wiki": Append this to "base" for Wiki targets. ** } ** ** If the remote wiki is Fossil, then the correct value for "hash" ** is "/info/" and the correct value for "wiki" is "/wiki?name=". ** If (for example) Wikipedia is the remote, then "hash" should be ** omitted and the correct value for "wiki" is "/wiki/". ** ** PageName is link name of the target wiki. Several different forms ** of PageName are recognized. ** ** Path If PageName is empty or begins with a "/" character, then ** it is a pathname that is appended to "base". ** ** Hash If PageName is a hexadecimal string of 4 or more ** characters, then PageName is appended to "hash" which ** is then appended to "base". ** ** Wiki If PageName does not start with "/" and it is ** not a hexadecimal string of 4 or more characters, then ** PageName is appended to "wiki" and that combination is ** appended to "base". ** ** See https://en.wikipedia.org/wiki/Interwiki_links for further information ** on interwiki links. */ static char *wiki_is_interwiki(const char *zTarget){ int nCode; int i; const char *zPage; int nPage; char *zUrl = 0; Stmt q; for(i=0; zTarget[i] && zTarget[i]!=':'; i++){} if( zTarget[i]==0 ) return 0; nCode = i; if( nCode==4 && strncmp(zTarget,"wiki",4)==0 ) return 0; zPage = zTarget + nCode + 1; nPage = (int)strlen(zPage); db_prepare(&q, "SELECT json_extract(value,'$.base')," " json_extract(value,'$.hash')," " json_extract(value,'$.wiki')" " FROM config WHERE name=lower('interwiki:%.*q')", nCode, zTarget); while( db_step(&q)==SQLITE_ROW ){ const char *zBase = db_column_text(&q,0); if( zBase==0 || zBase[0]==0 ) break; if( nPage==0 || zPage[0]=='/' ){ /* Path */ zUrl = mprintf("%s%s", zBase, zPage); }else if( nPage>=4 && validate16(zPage,nPage) ){ /* Hash */ const char *zHash = db_column_text(&q,1); if( zHash && zHash[0] ){ zUrl = mprintf("%s%s%s", zBase, zHash, zPage); } }else{ /* Wiki */ const char *zWiki = db_column_text(&q,2); if( zWiki && zWiki[0] ){ zUrl = mprintf("%s%s%s", zBase, zWiki, zPage); } } break; } db_finalize(&q); return zUrl; } /* ** Resolve a hyperlink. The zTarget argument is the content of the [...] ** in the wiki. Append to the output string whatever text is appropriate ** for opening the hyperlink. Write into zClose[0...nClose-1] text that will ** close the markup. ** |
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1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 | ** ** [0123456789abcdef] ** ** [WikiPageName] ** [wiki:WikiPageName] ** ** [2010-02-27 07:13] */ void wiki_resolve_hyperlink( Blob *pOut, /* Write the HTML output here */ int mFlags, /* Rendering option flags */ const char *zTarget, /* Hyperlink target; text within [...] */ char *zClose, /* Write hyperlink closing text here */ int nClose, /* Bytes available in zClose[] */ const char *zOrig, /* Complete document text */ const char *zTitle /* Title of the link */ ){ const char *zTerm = "</a>"; const char *z; char *zExtra = 0; const char *zExtraNS = 0; if( zTitle ){ zExtra = mprintf(" title='%h'", zTitle); zExtraNS = zExtra+1; } assert( nClose>=20 ); if( strncmp(zTarget, "http:", 5)==0 | > > > | 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 | ** ** [0123456789abcdef] ** ** [WikiPageName] ** [wiki:WikiPageName] ** ** [2010-02-27 07:13] ** ** [InterMap:Link] -> Interwiki link */ void wiki_resolve_hyperlink( Blob *pOut, /* Write the HTML output here */ int mFlags, /* Rendering option flags */ const char *zTarget, /* Hyperlink target; text within [...] */ char *zClose, /* Write hyperlink closing text here */ int nClose, /* Bytes available in zClose[] */ const char *zOrig, /* Complete document text */ const char *zTitle /* Title of the link */ ){ const char *zTerm = "</a>"; const char *z; char *zExtra = 0; const char *zExtraNS = 0; char *zRemote = 0; if( zTitle ){ zExtra = mprintf(" title='%h'", zTitle); zExtraNS = zExtra+1; } assert( nClose>=20 ); if( strncmp(zTarget, "http:", 5)==0 |
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1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 | } }else if( g.perm.Hyperlink ){ blob_appendf(pOut, "%z[",xhref(zExtraNS, "%R/info/%s", zTarget)); zTerm = "]</a>"; }else{ zTerm = ""; } }else if( (z = validWikiPageName(mFlags, zTarget))!=0 ){ /* The link is to a valid wiki page name */ const char *zOverride = wiki_is_overridden(zTarget); if( zOverride ){ blob_appendf(pOut, "<a href=\"%R/info/%S\"%s>", zOverride, zExtra); }else{ blob_appendf(pOut, "<a href=\"%R/wiki?name=%T\"%s>", z, zExtra); | > > > | 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 | } }else if( g.perm.Hyperlink ){ blob_appendf(pOut, "%z[",xhref(zExtraNS, "%R/info/%s", zTarget)); zTerm = "]</a>"; }else{ zTerm = ""; } }else if( (zRemote = wiki_is_interwiki(zTarget))!=0 ){ blob_appendf(pOut, "<a href=\"%z\"%s>", zRemote, zExtra); zTerm = "</a>"; }else if( (z = validWikiPageName(mFlags, zTarget))!=0 ){ /* The link is to a valid wiki page name */ const char *zOverride = wiki_is_overridden(zTarget); if( zOverride ){ blob_appendf(pOut, "<a href=\"%R/info/%S\"%s>", zOverride, zExtra); }else{ blob_appendf(pOut, "<a href=\"%R/wiki?name=%T\"%s>", z, zExtra); |
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