src/hg/lib/trackDbCustom.c 1.71
1.71 2009/09/25 16:57:31 hiram
Using hTableOrSplitExists() instead of just hTableExists() to get composite tracks to properly work with split tables
Index: src/hg/lib/trackDbCustom.c
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/lib/trackDbCustom.c,v
retrieving revision 1.70
retrieving revision 1.71
diff -b -B -U 1000000 -r1.70 -r1.71
--- src/hg/lib/trackDbCustom.c 2 Sep 2009 22:38:05 -0000 1.70
+++ src/hg/lib/trackDbCustom.c 25 Sep 2009 16:57:31 -0000 1.71
@@ -1,926 +1,926 @@
/* trackDbCustom - custom (not autoSQL generated) code for working
* with trackDb. This code is concerned with making the trackDb
* MySQL table out of the trackDb.ra files. */
#include "common.h"
#include "linefile.h"
#include "jksql.h"
#include "trackDb.h"
#include "hdb.h"
#include "hui.h"
#include "ra.h"
#include "hash.h"
#include "sqlNum.h"
#include "obscure.h"
#include "hgMaf.h"
#include "customTrack.h"
static char const rcsid[] = "$Id$";
/* ----------- End of AutoSQL generated code --------------------- */
int trackDbCmp(const void *va, const void *vb)
/* Compare to sort based on priority; use shortLabel as secondary sort key.
* Note: parallel code to hgTracks.c:tgCmpPriority */
{
const struct trackDb *a = *((struct trackDb **)va);
const struct trackDb *b = *((struct trackDb **)vb);
float dif = a->priority - b->priority;
if (dif < 0)
return -1;
else if (dif == 0.0)
return strcasecmp(a->shortLabel, b->shortLabel);
else
return 1;
}
void parseColor(char *text, unsigned char *r, unsigned char *g, unsigned char *b)
/* Turn comma-separated string of three numbers into three
* color components. */
{
char *words[4];
int wordCount;
wordCount = chopString(text, ", \t", words, ArraySize(words));
if (wordCount != 3)
errAbort("Expecting 3 comma separated values in %s.", text);
*r = atoi(words[0]);
*g = atoi(words[1]);
*b = atoi(words[2]);
}
static unsigned char parseVisibility(char *value, struct lineFile *lf)
/* Parse a visibility value */
{
if (sameString(value, "hide") || sameString(value, "0"))
return tvHide;
else if (sameString(value, "dense") || sameString(value, "1"))
return tvDense;
else if (sameString(value, "full") || sameString(value, "2"))
return tvFull;
else if (sameString(value, "pack") || sameString(value, "3"))
return tvPack;
else if (sameString(value, "squish") || sameString(value, "4"))
return tvSquish;
else
errAbort("Unknown visibility %s line %d of %s",
value, lf->lineIx, lf->fileName);
return tvHide; /* never reached */
}
static void parseTrackLine(struct trackDb *bt, char *value,
struct lineFile *lf)
/* parse the track line */
{
char *val2 = cloneString(value);
bt->tableName = nextWord(&val2);
// check for override option
if (val2 != NULL)
{
val2 = trimSpaces(val2);
if (!sameString(val2, "override"))
errAbort("invalid track line: %s:%d: track %s", lf->fileName, lf->lineIx, value);
bt->overrides = hashNew(0);
}
}
static void trackDbAddInfo(struct trackDb *bt,
char *var, char *value, struct lineFile *lf)
/* Add info from a variable/value pair to browser table. */
{
if (sameString(var, "track"))
parseTrackLine(bt, value, lf);
else if (sameString(var, "shortLabel") || sameString(var, "name"))
bt->shortLabel = cloneString(value);
else if (sameString(var, "longLabel") || sameString(var, "description"))
bt->longLabel = cloneString(value);
else if (sameString(var, "priority"))
bt->priority = atof(value);
else if (sameWord(var, "url"))
bt->url = cloneString(value);
else if (sameString(var, "visibility"))
{
bt->visibility = parseVisibility(value, lf);
}
else if (sameWord(var, "color"))
{
parseColor(value, &bt->colorR, &bt->colorG, &bt->colorB);
}
else if (sameWord(var, "altColor"))
{
parseColor(value, &bt->altColorR, &bt->altColorG, &bt->altColorB);
}
else if (sameWord(var, "type"))
{
bt->type = cloneString(value);
}
else if (sameWord(var, "spectrum") || sameWord(var, "useScore"))
{
bt->useScore = TRUE;
}
else if (sameWord(var, "canPack"))
{
bt->canPack = !(sameString(value, "0") || sameString(value, "off"));
}
else if (sameWord(var, "chromosomes"))
sqlStringDynamicArray(value, &bt->restrictList, &bt->restrictCount);
else if (sameWord(var, "private"))
bt->private = TRUE;
else if (sameWord(var, "group"))
{
bt->grp = cloneString(value);
}
else /* Add to settings. */
{
if (bt->settingsHash == NULL)
bt->settingsHash = hashNew(7);
hashAdd(bt->settingsHash, var, cloneString(value));
}
if (bt->overrides != NULL)
hashAdd(bt->overrides, var, NULL);
}
static void replaceStr(char **varPtr, char *val)
/** replace string in varPtr with val */
{
freeMem(*varPtr);
*varPtr = cloneString(val);
}
static void overrideField(struct trackDb *td, struct trackDb *overTd,
char *var)
/* Update override one field from override. */
{
if (sameString(var, "track"))
{
// skip
}
else if (sameString(var, "shortLabel") || sameString(var, "name"))
replaceStr(&td->shortLabel, overTd->shortLabel);
else if (sameString(var, "longLabel") || sameString(var, "description"))
replaceStr(&td->longLabel, overTd->longLabel);
else if (sameString(var, "priority"))
td->priority = overTd->priority;
else if (sameWord(var, "url"))
replaceStr(&td->url, overTd->url);
else if (sameString(var, "visibility"))
td->visibility = overTd->visibility;
else if (sameWord(var, "color"))
{
td->colorR = overTd->colorR;
td->colorG = overTd->colorG;
td->colorB = overTd->colorB;
}
else if (sameWord(var, "altColor"))
{
td->altColorR = overTd->altColorR;
td->altColorG = overTd->altColorG;
td->altColorB = overTd->altColorB;
}
else if (sameWord(var, "type"))
replaceStr(&td->type, overTd->type);
else if (sameWord(var, "spectrum") || sameWord(var, "useScore"))
td->useScore = overTd->useScore;
else if (sameWord(var, "canPack"))
td->canPack = overTd->canPack;
else if (sameWord(var, "chromosomes"))
{
// just format and re-parse
char *sa = sqlStringArrayToString(overTd->restrictList, overTd->restrictCount);
sqlStringFreeDynamicArray(&td->restrictList);
sqlStringDynamicArray(sa, &td->restrictList, &td->restrictCount);
freeMem(sa);
}
else if (sameWord(var, "private"))
td->private = overTd->private;
else if (sameWord(var, "group"))
{
replaceStr(&td->grp, overTd->grp);
}
else if (sameWord(var, "release"))
{
// ignore -- it was pruned by pruneRelease before this was called.
}
else /* Add to settings. */
{
if (td->settingsHash == NULL)
td->settingsHash = hashNew(7);
char *val = hashMustFindVal(overTd->settingsHash, var);
struct hashEl *hel = hashStore(td->settingsHash, var);
replaceStr((char**)&hel->val, val);
}
}
void trackDbOverride(struct trackDb *td, struct trackDb *overTd)
/* apply an trackOverride trackDb entry to a trackDb entry */
{
assert(overTd->overrides != NULL);
struct hashEl *hel;
struct hashCookie hc = hashFirst(overTd->overrides);
while ((hel = hashNext(&hc)) != NULL)
overrideField(td, overTd, hel->name);
}
static boolean packableType(char *type)
/* Return TRUE if we can pack this type. */
{
char *t = cloneString(type);
char *s = firstWordInLine(t);
boolean canPack = (sameString("psl", s) || sameString("chain", s) ||
sameString("bed", s) || sameString("genePred", s) ||
sameString("bigBed", s) ||
sameString("expRatio", s) || sameString("wigMaf", s) ||
sameString("factorSource", s) || sameString("bed5FloatScore", s) ||
sameString("bed6FloatScore", s) || sameString("altGraphX", s) ||
sameString("bam", s));
freeMem(t);
return canPack;
}
void trackDbInherit(struct trackDb *bt, struct trackDb *composite)
/* Fill in some missing values with values from parent track */
{
if (bt->type == NULL)
bt->type = cloneString(composite->type);
if (bt->url == NULL && composite->url != NULL)
bt->url = cloneString(composite->url);
if (bt->grp == NULL)
bt->grp = cloneString(composite->grp);
if (bt->canPack == 2 && composite->canPack != 2)
bt->canPack = composite->canPack;
if (composite->private)
bt->private = TRUE;
if (composite->useScore)
bt->useScore = TRUE;
}
void trackDbPolish(struct trackDb *bt)
/* Fill in missing values with defaults. */
{
if (bt->shortLabel == NULL)
bt->shortLabel = cloneString(bt->tableName);
if (bt->longLabel == NULL)
bt->longLabel = cloneString(bt->shortLabel);
if (bt->altColorR == 0 && bt->altColorG == 0 && bt->altColorB == 0)
{
bt->altColorR = (255+bt->colorR)/2;
bt->altColorG = (255+bt->colorG)/2;
bt->altColorB = (255+bt->colorB)/2;
}
if (bt->type == NULL)
bt->type = cloneString("");
if (bt->priority == 0)
bt->priority = 100.0;
if (bt->url == NULL)
bt->url = cloneString("");
if (bt->html == NULL)
bt->html = cloneString("");
if (bt->grp == NULL)
bt->grp = cloneString("x");
if (bt->canPack == 2)
bt->canPack = packableType(bt->type);
if (bt->settings == NULL)
bt->settings = cloneString("");
}
char *trackDbInclude(char *raFile, char *line)
/* Get include filename from trackDb line.
Return NULL if line doesn't contain include */
{
static char incFile[256];
char *file;
if (startsWith("include", line))
{
splitPath(raFile, incFile, NULL, NULL);
nextWord(&line);
file = nextQuotedWord(&line);
strcat(incFile, file);
return cloneString(incFile);
}
else
return NULL;
}
struct trackDb *trackDbFromRa(char *raFile)
/* Load track info from ra file into list. */
{
struct lineFile *lf = lineFileOpen(raFile, TRUE);
char *line, *word;
struct trackDb *btList = NULL, *bt;
boolean done = FALSE;
struct hash *compositeHash = hashNew(8);
char *incFile;
for (;;)
{
/* Seek to next line that starts with 'track' */
for (;;)
{
if (!lineFileNext(lf, &line, NULL))
{
done = TRUE;
break;
}
line = skipLeadingSpaces(line);
if (startsWithWord("track", line))
{
lineFileReuse(lf);
break;
}
else if ((incFile = trackDbInclude(raFile, line)) != NULL)
{
struct trackDb *incTdb = trackDbFromRa(incFile);
btList = slCat(btList, incTdb);
}
}
if (done)
break;
/* Allocate track structure and fill it in until next blank line. */
AllocVar(bt);
bt->canPack = 2; /* Unknown value */
slAddHead(&btList, bt);
for (;;)
{
/* Break at blank line or EOF. */
if (!lineFileNext(lf, &line, NULL))
break;
line = skipLeadingSpaces(line);
if (line == NULL || line[0] == 0)
break;
/* Skip comments. */
if (line[0] == '#')
continue;
/* Parse out first word and decide what to do. */
word = nextWord(&line);
if (line == NULL)
errAbort("No value for %s line %d of %s", word, lf->lineIx, lf->fileName);
line = trimSpaces(line);
trackDbAddInfo(bt, word, line, lf);
}
if (trackDbSetting(bt, "compositeTrack") != NULL)
hashAdd(compositeHash, bt->tableName, bt);
}
lineFileClose(&lf);
for (bt = btList; bt != NULL; bt = bt->next)
{
struct trackDb *compositeTdb;
char *compositeName;
if ((compositeName = trackDbSetting(bt, "subTrack")) != NULL &&
trackDbSettingClosestToHome(bt, "noInherit") == NULL)
if ((compositeTdb =
hashFindVal(compositeHash, compositeName)) != NULL)
trackDbInherit(bt, compositeTdb);
trackDbPolish(bt);
}
slReverse(&btList);
return btList;
}
void trackDbOverrideVisbility(struct hash *tdHash, char *visibilityRa,
boolean hideFirst)
/* Override visbility settings using a ra file. If hideFirst, set all
* visibilities to hide before applying visibilityRa. */
{
struct lineFile *lf;
struct hash *raRecord;
if (hideFirst)
{
/* Set visibility to hide on all entries */
struct hashEl *hel;
struct hashCookie cookie;
cookie = hashFirst(tdHash);
while ((hel = hashNext(&cookie)) != NULL)
((struct trackDb *)hel->val)->visibility = tvHide;
}
/* Parse the ra file, adjusting visibility accordingly */
lf = lineFileOpen(visibilityRa, TRUE);
while ((raRecord = raNextRecord(lf)) != NULL)
{
char *trackName = hashFindVal(raRecord, "track");
char *visibility = hashFindVal(raRecord, "visibility");
if ((trackName != NULL) && (visibility != NULL))
{
struct trackDb *td = hashFindVal(tdHash, trackName);
if (td != NULL)
td->visibility = parseVisibility(visibility, lf);
}
hashFree(&raRecord);
}
lineFileClose(&lf);
}
void trackDbOverridePriority(struct hash *tdHash, char *priorityRa)
/* Override priority settings using a ra file. */
{
struct lineFile *lf;
struct hash *raRecord;
/* Parse the ra file, adjusting priority accordingly */
lf = lineFileOpen(priorityRa, TRUE);
while ((raRecord = raNextRecord(lf)) != NULL)
{
char *trackName = hashFindVal(raRecord, "track");
char *priority = hashFindVal(raRecord, "priority");
if ((trackName != NULL) && (priority != NULL))
{
struct trackDb *td = hashFindVal(tdHash, trackName);
if (td != NULL)
{
td->priority = atof(priority);
trackDbPolish(td);
}
}
hashFree(&raRecord);
}
lineFileClose(&lf);
}
struct hash *trackDbHashSettings(struct trackDb *tdb)
/* Force trackDb to hash up it's settings. Usually this is just
* done on demand. Returns settings hash. */
{
if (tdb->settingsHash == NULL)
tdb->settingsHash = raFromString(tdb->settings);
return tdb->settingsHash;
}
char *trackDbSetting(struct trackDb *tdb, char *name)
/* Return setting string or NULL if none exists. */
{
if (tdb == NULL)
errAbort("Program error: null tdb passed to trackDbSetting.");
if (tdb->settingsHash == NULL)
tdb->settingsHash = raFromString(tdb->settings);
return hashFindVal(tdb->settingsHash, name);
}
boolean trackDbSettingOn(struct trackDb *tdb, char *name)
/* Return true if a tdb setting is "on" "true" or "enabled". */
{
char *setting = trackDbSetting(tdb,name);
return (setting && ( sameWord(setting,"on")
|| sameWord(setting,"true")
|| sameWord(setting,"enabled")));
}
char *trackDbRequiredSetting(struct trackDb *tdb, char *name)
/* Return setting string or squawk and die. */
{
char *ret = trackDbSetting(tdb, name);
if (ret == NULL)
errAbort("Missing required %s setting in %s track", name, tdb->tableName);
return ret;
}
char *trackDbSettingOrDefault(struct trackDb *tdb, char *name, char *defaultVal)
/* Return setting string, or defaultVal if none exists */
{
char *val = trackDbSetting(tdb, name);
return (val == NULL ? defaultVal : val);
}
float trackDbFloatSettingOrDefault(struct trackDb *tdb, char *name, float defaultVal)
/* Return setting, convert to a float, or defaultVal if none exists */
{
char *val = trackDbSetting(tdb, name);
if (val == NULL)
return defaultVal;
else
return sqlFloat(trimSpaces(val));
}
struct hashEl *trackDbSettingsLike(struct trackDb *tdb, char *wildStr)
/* Return a list of settings whose names match wildStr (may contain wildcard
* characters). Free the result with hashElFreeList. */
{
struct hashEl *allSettings = hashElListHash(tdb->settingsHash);
struct hashEl *matchingSettings = NULL;
struct hashEl *hel = allSettings;
while (hel != NULL)
{
struct hashEl *next = hel->next;
if (wildMatch(wildStr, hel->name))
{
slAddHead(&matchingSettings, hel);
}
else
hashElFree(&hel);
hel = next;
}
return matchingSettings;
}
struct superTrackInfo {
boolean isSuper;
boolean isShow;
char *parentName;
enum trackVisibility defaultVis;
};
static struct superTrackInfo *getSuperTrackInfo(struct trackDb *tdb)
/* Get info from supertrack setting. There are 2 forms:
* Parent: 'superTrack on [show]'
* Child: 'superTrack <parent> [vis]
* Return null if there is no such setting. */
{
char *setting = trackDbSetting(tdb, "superTrack");
if (!setting)
return NULL;
char *words[8];
int wordCt = chopLine(cloneString(setting), words);
if (wordCt < 1)
return NULL;
struct superTrackInfo *stInfo;
AllocVar(stInfo);
if (sameString("on", words[0]))
{
/* parent */
stInfo->isSuper = TRUE;
if ((wordCt > 1) && sameString("show", words[1]))
stInfo->isShow = TRUE;
}
else
{
/* child */
stInfo->parentName = cloneString(words[0]);
if (wordCt > 1)
stInfo->defaultVis = max(0, hTvFromStringNoAbort(words[1]));
}
return stInfo;
}
char *trackDbGetSupertrackName(struct trackDb *tdb)
/* Find name of supertrack if this track is a member */
{
char *ret = NULL;
struct superTrackInfo *stInfo = getSuperTrackInfo(tdb);
if (stInfo)
{
if (stInfo->parentName)
ret = cloneString(stInfo->parentName);
freeMem(stInfo);
}
return ret;
}
void trackDbSuperMemberSettings(struct trackDb *tdb)
/* Set fields in trackDb to indicate this is a member of a
* supertrack. */
{
struct superTrackInfo *stInfo = getSuperTrackInfo(tdb);
tdb->parentName = cloneString(stInfo->parentName);
tdb->visibility = stInfo->defaultVis;
tdbMarkAsSuperTrackChild(tdb);
if(tdb->parent)
{
tdbMarkAsSuperTrack(tdb->parent);
//if(tdb->parent->subtracks || tdb->next == NULL) // TODO: Currently supertracks Sometimes don't contain their subtracks!
// slAddHead(&tdb->parent->subtracks, tdb);
}
freeMem(stInfo);
}
void trackDbSuperSettings(struct trackDb *tdbList)
/* Set trackDb from superTrack setting */
{
struct trackDb *tdb;
struct hash *superHash = hashNew(0);
struct superTrackInfo *stInfo;
/* find supertracks, setup their settings */
for (tdb = tdbList; tdb != NULL; tdb = tdb->next)
{
stInfo = getSuperTrackInfo(tdb);
if (!stInfo)
continue;
if (stInfo->isSuper)
{
tdbMarkAsSuperTrack(tdb);
tdb->isShow = stInfo->isShow;
if (!hashLookup(superHash, tdb->tableName))
hashAdd(superHash, tdb->tableName, tdb);
}
freeMem(stInfo);
}
/* adjust settings on supertrack members after verifying they have
* a supertrack configured in this trackDb */
for (tdb = tdbList; tdb != NULL; tdb = tdb->next)
{
stInfo = getSuperTrackInfo(tdb);
if (!stInfo)
continue;
if(!stInfo->isSuper)
{
tdb->parent = hashFindVal(superHash, stInfo->parentName); // TODO: Parent wont contain children: and can't in this list!
if (tdb->parent)
trackDbSuperMemberSettings(tdb);
}
freeMem(stInfo);
}
}
char *trackDbOrigAssembly(struct trackDb *tdb)
/* return setting from trackDb, if any */
{
return (trackDbSetting(tdb, "origAssembly"));
}
void trackDbPrintOrigAssembly(struct trackDb *tdb, char *database)
/* Print lift information from trackDb, if any */
{
char *origAssembly = trackDbOrigAssembly(tdb);
if (origAssembly)
{
if (differentString(origAssembly, database))
{
char *freeze = hFreezeFromDb(origAssembly);
printf("<B>Data coordinates converted via <A TARGET=_BLANK HREF=\"../goldenPath/help/hgTracksHelp.html#Liftover\">liftOver</A> from:</B> %s %s%s%s<BR>\n", freeze ? freeze : "", freeze ? "(" : "", origAssembly, freeze ? ")":"");
}
}
}
eCfgType cfgTypeFromTdb(struct trackDb *tdb, boolean warnIfNecessary)
/* determine what kind of track specific configuration is needed,
warn if not multi-view compatible */
{
eCfgType cType = cfgNone;
if(startsWith("wigMaf", tdb->type))
cType = cfgWigMaf;
else if(startsWith("wig", tdb->type))
cType = cfgWig;
else if(startsWith("bigWig", tdb->type))
cType = cfgWig;
else if(startsWith("bedGraph", tdb->type))
cType = cfgWig;
else if(startsWith("netAlign", tdb->type))
{
cType = cfgNetAlign;
warnIfNecessary = FALSE;
}
else if(sameWord("bed5FloatScore", tdb->type)
|| sameWord("bed5FloatScoreWithFdr",tdb->type))
cType = cfgBedScore;
else if(sameWord("narrowPeak",tdb->type)
|| sameWord("broadPeak", tdb->type)
|| sameWord("encodePeak",tdb->type)
|| sameWord("gappedPeak",tdb->type))
cType = cfgPeak;
else if(sameWord("genePred",tdb->type))
cType = cfgGenePred;
else if(startsWith("bed ", tdb->type) || startsWith("bigBed ", tdb->type)) // TODO: Only these are configurable so far
{
char *words[3];
chopLine(cloneString( tdb->type), words);
if (trackDbSetting(tdb, "bedFilter") != NULL)
cType = cfgBedFilt;
else if (atoi(words[1]) >= 5 && trackDbSettingClosestToHome(tdb, "noScoreFilter") == NULL)
cType = cfgBedScore;
}
else if(startsWith("chain",tdb->type))
cType = cfgChain;
if(cType == cfgNone && warnIfNecessary)
{
if(!startsWith("bed ", tdb->type) && !startsWith("bigBed", tdb->type)
&& subgroupFind(tdb,"view",NULL))
warn("Track type \"%s\" is not yet supported in multi-view composites for %s.",tdb->type,tdb->tableName);
}
return cType;
}
char *trackDbCompositeSettingByView(struct trackDb *parentTdb, char* view, char *name)
/* Get a trackDb setting at the view level for a multiview composite.
returns a string that must be freed */
{
char *trackSetting = NULL;
char *settingsByView = cloneString(trackDbSetting(parentTdb,"settingsByView"));
if(settingsByView != NULL)
{
char *settingForAView = NULL;
char *words[8];
int cnt,ix;
// parse settingsByView "Signal:viewLimits=5:500,viewLimitsMax=0:20910 ..."
cnt = chopLine(cloneString(settingsByView), words);
for(ix=0;ix<cnt;ix++)
{
if(startsWithWordByDelimiter(view,':',words[ix]))
{
settingForAView = cloneString(words[ix]+(strlen(view)+1));
break;
}
}
freeMem(settingsByView);
if(settingForAView != NULL) // found a match
{
// parse settingByView: "viewLimits=5:500,viewLimitsMax=0:20910"
cnt = chopByChar(settingForAView,',',words,ArraySize(words));
for(ix=0;ix<cnt;ix++)
{
if(startsWithWordByDelimiter(name,'=',words[ix]))
{
trackSetting = cloneString(words[ix]+strlen(name)+1);
break;
}
}
freeMem(settingForAView);
}
}
return trackSetting;
}
char *trackDbSettingByView(struct trackDb *tdb, char *name)
/* For a subtrack of a multiview composite, get a setting stored in the parent settingByView.
returns a string that must be freed */
{
char * view;
if(tdbIsCompositeChild(tdb) && subgroupFind(tdb,"view",&view))
{
return trackDbCompositeSettingByView(tdb->parent,view,name);
}
return NULL;
}
char *trackDbSettingClosestToHome(struct trackDb *tdb, char *name)
/* Look for a trackDb setting from lowest level on up:
from subtrack, then composite, then settingsByView, then composite */
{
char *trackSetting = trackDbSetting(tdb,name);
if(trackSetting == NULL && tdbIsCompositeChild(tdb))
{
trackSetting = trackDbSettingByView(tdb,name);
if(trackSetting == NULL)
trackSetting = trackDbSetting(tdb->parent,name);
}
return trackSetting;
}
char *trackDbSettingClosestToHomeOrDefault(struct trackDb *tdb, char *name, char *defaultVal)
/* Look for a trackDb setting (or default) from lowest level on up:
from subtrack, then composite, then settingsByView, then composite */
{
char *trackSetting = trackDbSettingClosestToHome(tdb,name);
if(trackSetting == NULL)
trackSetting = defaultVal;
return trackSetting;
}
boolean trackDbSettingClosestToHomeOn(struct trackDb *tdb, char *name)
/* Return true if a tdb setting closest to home is "on" "true" or "enabled". */
{
char *setting = trackDbSettingClosestToHome(tdb,name);
return (setting && ( sameWord(setting,"on")
|| sameWord(setting,"true")
|| sameWord(setting,"enabled")
|| atoi(setting) != 0));
}
struct trackDb *subTdbFind(struct trackDb *parent,char *table)
/* Return subTrack tdb if it exists in parent. */
{
if(parent == NULL)
return NULL;
struct trackDb *tdb;
for (tdb = parent->subtracks;
tdb != NULL && differentString(tdb->tableName,table);
tdb = tdb->next) {}
return tdb;
}
struct trackDb *tdbFindOrCreate(char *db,struct trackDb *parent,char *table)
/* Find or creates the tdb for this table. May return NULL. */
{
struct trackDb *tdb = NULL;
if (parent != NULL)
{
if(sameString(parent->tableName, table))
tdb = parent;
else if(consWiggleFind(db,parent,table) != NULL)
tdb = parent;
else
tdb = subTdbFind(parent,table);
}
if(tdb == NULL && db != NULL)
{
struct sqlConnection *conn = hAllocConn(db);
tdb = hMaybeTrackInfo(conn, table);
hFreeConn(&conn);
}
return tdb;
}
metadata_t *metadataSettingGet(struct trackDb *tdb)
/* Looks for a metadata tag and parses the setting into arrays of tags and values */
{
char *setting = trackDbSetting(tdb, "metadata");
if(setting == NULL)
return NULL;
int count = countChars(setting,'='); // <= actual count, since value may contain a =
if(count <= 0)
return NULL;
metadata_t *metadata = needMem(sizeof(metadata_t));
metadata->setting = cloneString(setting);
metadata->tags = needMem(sizeof(char*)*count);
metadata->values = needMem(sizeof(char*)*count);
char *cp = metadata->setting;
for(metadata->count=0;*cp != '\0' && metadata->count<count;metadata->count++)
{
metadata->tags[metadata->count] = cloneNextWordByDelimiter(&cp,'=');
if(*cp != '"')
metadata->values[metadata->count] = cloneNextWordByDelimiter(&cp,' ');
else
{
metadata->values[metadata->count] = ++cp;
for(;*cp != '\0';cp++)
{
if(*cp == '"' && *(cp - 1) != '\\') // Not escaped
{
*cp = '\0';
metadata->values[metadata->count] = replaceChars(metadata->values[metadata->count],"\\\"","\"");
*cp = '"'; // Put it baaack!
break;
}
}
if(*cp == '\0') // Didn't find close quote!
metadata->values[metadata->count] = cloneString(metadata->values[metadata->count]);
else
cp++;
}
}
return metadata;
}
void metadataFree(metadata_t **metadata)
/* frees any previously obtained metadata setting */
{
if(metadata && *metadata)
{
for(;(*metadata)->count > 0;(*metadata)->count--)
{
freeMem((*metadata)->tags[ (*metadata)->count - 1]);
freeMem((*metadata)->values[(*metadata)->count - 1]);
}
freeMem((*metadata)->setting);
freez(metadata);
}
}
char *metadataSettingFind(struct trackDb *tdb,char *name)
/* Looks for a specific metadata setting and returns the value or null
returned value should be freed */
{
metadata_t *metadata = metadataSettingGet(tdb);
if(metadata == NULL)
return NULL;
int ix=0;
char *setting = NULL;
for(;ix<metadata->count;ix++)
{
if (sameString(metadata->tags[ix],name))
{
setting = cloneString(metadata->values[ix]);
break;
}
}
metadataFree(&metadata);
return setting;
}
int parentTdbAbandonTablelessChildren(char *db, struct trackDb *parentTdb)
/* abandons tableless children from a container tdb, such as a composite
returns count of children that have been abandoned */
{
struct trackDb *goodKids = NULL;
struct trackDb *childTdb;
int badKids = 0;
while((childTdb = slPopHead(&(parentTdb->subtracks))) != NULL)
{
- if (hTableExists(db, childTdb->tableName))
+ if (hTableOrSplitExists(db, childTdb->tableName))
slAddHead(&goodKids,childTdb);
else
{
badKids++;
trackDbFree(&childTdb);
}
}
if(goodKids != NULL)
slReverse(&goodKids);
parentTdb->subtracks = goodKids;
return badKids;
}