useDynLib(GenomicAlignments)

import(methods)
importFrom(utils, read.table)
importFrom(stats, setNames)
import(BiocGenerics)
import(S4Vectors)
import(IRanges)
import(GenomeInfoDb)
import(GenomicRanges)
import(SummarizedExperiment)
import(Biostrings)
import(Rsamtools)
importFrom(BiocParallel, bplapply)


### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Export S4 classes
###

exportClasses(
    GAlignments,
    GAlignmentPairs,
    GAlignmentsList,
    GappedReads,
    OverlapEncodings
)


### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Export S3 methods
###

S3method(as.data.frame, OverlapEncodings)

S3method(levels, OverlapEncodings)

### We also export them thru the export() directive so that (a) they can be
### called directly, (b) tab-completion on the name of the generic shows them,
### and (c) methods() doesn't asterisk them.
export(
    as.data.frame.OverlapEncodings,

    levels.OverlapEncodings
)


### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Export S4 methods for generics not defined in GenomicAlignments
###

exportMethods(
    c,

    ## Generics defined in BiocGenerics:
    is.unsorted, order, sort, rank,
    start, end, width, strand, invertStrand,

    ## Generics defined in S4Vectors:
    parallelSlotNames, pcompare,

    ## Generics defined in IRanges:
    ranges, rglist,
    relistToClass,
    narrow,
    coverage,
    pintersect,
    findOverlaps,

    ## Generics defined in GenomeInfoDb:
    seqinfo, "seqinfo<-",
    seqnames, "seqnames<-",
    seqlevelsInUse,

    ## Generics defined in GenomicRanges:
    granges, grglist,

    ## Generics defined in Biostrings:
    encoding,

    ## Generics defined in S4Vectors:
    first, second
)


### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Export non-generic functions
###

export(
    validCigar,
    CIGAR_OPS,
    explodeCigarOps, explodeCigarOpLengths,
    cigarToRleList,
    cigarRangesAlongReferenceSpace,
    cigarRangesAlongQuerySpace,
    cigarRangesAlongPairwiseSpace,
    extractAlignmentRangesOnReference,
    cigarWidthAlongReferenceSpace,
    cigarWidthAlongQuerySpace,
    cigarWidthAlongPairwiseSpace,
    cigarNarrow, cigarQNarrow,
    cigarOpTable,
    queryLoc2refLoc, queryLocs2refLocs,

    GAlignments,
    GAlignmentPairs,
    GAlignmentsList,
    GappedReads,

    Lencoding, Rencoding, Lnjunc, Rnjunc,

    findMateAlignment, makeGAlignmentPairs,
    getDumpedAlignments, countDumpedAlignments, flushDumpedAlignments,

    readGAlignments,
    readGAlignmentPairs,
    readGAlignmentsList,
    readGappedReads,

    NATURAL_INTRON_MOTIFS,
    summarizeJunctions,
    readTopHatJunctions,
    readSTARJunctions,

    sequenceLayer,
    pileLettersAt,
    stackStringsFromBam,
    alphabetFrequencyFromBam,

    encodeOverlaps1,
    flipQuery,
    selectEncodingWithCompatibleStrand,
    extractQueryStartInTranscript,

    countCompatibleOverlaps,

    Union, IntersectionNotEmpty, IntersectionStrict
)


### - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
### Export S4 generics defined in GenomicAlignments + export corresponding
### methods
###

export(
    ## GAlignments-class.R:
    rname, "rname<-", cigar, qwidth, njunc,

    ## GAlignmentPairs-class.R:
    last, strandMode, "strandMode<-", isProperPair,

    ## GappedReads-class.R:
    qseq,

    ## OverlapEncodings-class.R:
    Loffset, Roffset, flippedQuery,
    encodingHalves,
    isCompatibleWithSplicing,

    ## readGAlignments.R:
    readGAlignments,
    readGAlignmentPairs,
    readGAlignmentsList,
    readGappedReads,

    ## junctions-methods.R:
    junctions,

    ## intra-range-methods.R:
    qnarrow,

    ## encodeOverlaps-methods.R:
    encodeOverlaps,
    isCompatibleWithSkippedExons,
    extractSteppedExonRanks,
    extractSpannedExonRanks,
    extractSkippedExonRanks,

    ## findCompatibleOverlaps-methods.R:
    findCompatibleOverlaps,

    ## summarizeOverlaps-methods.R:
    summarizeOverlaps,

    ## findSpliceOverlaps-methods.R:
    findSpliceOverlaps,

    ## coordinateMapping-methods.R:
    mapToAlignments, pmapToAlignments, 
    mapFromAlignments, pmapFromAlignments
)

### Exactly the same list as above.
exportMethods(
    rname, "rname<-", cigar, qwidth, njunc,
    first, last, strandMode, "strandMode<-", isProperPair,
    qseq,
    Loffset, Roffset, flippedQuery,
    encodingHalves,
    isCompatibleWithSplicing,
    readGAlignments,
    readGAlignmentPairs,
    readGAlignmentsList,
    readGappedReads,
    junctions,
    qnarrow,
    encodeOverlaps,
    isCompatibleWithSkippedExons,
    extractSteppedExonRanks,
    extractSpannedExonRanks,
    extractSkippedExonRanks,
    findCompatibleOverlaps,
    summarizeOverlaps,
    findSpliceOverlaps,
    mapToAlignments, pmapToAlignments,
    mapFromAlignments, pmapFromAlignments
)