diff options
Diffstat (limited to 'tex/context/base/strc-not.lua')
| -rw-r--r-- | tex/context/base/strc-not.lua | 180 |
1 files changed, 113 insertions, 67 deletions
diff --git a/tex/context/base/strc-not.lua b/tex/context/base/strc-not.lua index 6a3f3bfad..d71b371ab 100644 --- a/tex/context/base/strc-not.lua +++ b/tex/context/base/strc-not.lua @@ -13,18 +13,19 @@ local texcount = tex.count local trace_notes = false trackers.register("structures.notes", function(v) trace_notes = v end) local trace_references = false trackers.register("structures.notes.references", function(v) trace_references = v end) -local report_notes = logs.reporter("structure","notes") +local report_notes = logs.reporter("structure","notes") -local structures = structures -local helpers = structures.helpers -local lists = structures.lists -local sections = structures.sections -local counters = structures.counters -local notes = structures.notes -local references = structures.references +local structures = structures +local helpers = structures.helpers +local lists = structures.lists +local sections = structures.sections +local counters = structures.counters +local notes = structures.notes +local references = structures.references +local counterspecials = counters.specials -notes.states = notes.states or { } -lists.enhancers = lists.enhancers or { } +notes.states = notes.states or { } +lists.enhancers = lists.enhancers or { } storage.register("structures/notes/states", notes.states, "structures.notes.states") @@ -33,10 +34,18 @@ local notedata = { } local variables = interfaces.variables local context = context +local commands = commands -- state: store, insert, postpone -function notes.store(tag,n) +local function store(tag,n) + -- somewhat weird but this is a cheap hook spot + if not counterspecials[tag] then + counterspecials[tag] = function(tag) + context.doresetlinenotecompression(tag) -- maybe flag that controls it + end + end + -- local nd = notedata[tag] if not nd then nd = { } @@ -53,7 +62,13 @@ function notes.store(tag,n) end state.start = state.start or nnd end - context(#nd) + return #nd +end + +notes.store = store + +function commands.storenote(tag,n) + context(store(tag,n)) end local function get(tag,n) -- tricky ... only works when defined @@ -84,16 +99,59 @@ notes.getn = getn -- we could make a special enhancer -function notes.listindex(tag,n) +local function listindex(tag,n) local ndt = notedata[tag] return ndt and ndt[n] end +notes.listindex = listindex + +function commands.notelistindex(tag,n) + context(listindex(tag,n)) +end + +local function setstate(tag,newkind) + local state = notestates[tag] + if trace_notes then + report_notes("setting state of '%s' from %s to %s",tag,(state and state.kind) or "unset",newkind) + end + if not state then + state = { + kind = newkind + } + notestates[tag] = state + elseif newkind == "insert" then + if not state.start then + state.kind = newkind + end + else + state.kind = newkind + end + -- state.start can already be set and will be set when an entry is added or flushed + return state +end + +local function getstate(tag) + local state = notestates[tag] + return state and state.kind or "unknown" +end + +notes.setstate = setstate +notes.getstate = getstate + +commands.setnotestate = setstate + +function commands.getnotestate(tag) + context(getstate(tag)) +end + function notes.define(tag,kind,number) - local state = notes.setstate(tag,kind) + local state = setstate(tag,kind) state.number = number end +commands.definenote = notes.define + function notes.save(tag,newkind) local state = notestates[tag] if state and not state.saved then @@ -121,33 +179,10 @@ function notes.restore(tag,forcedstate) end end -function notes.setstate(tag,newkind) - local state = notestates[tag] - if trace_notes then - report_notes("setting state of '%s' from %s to %s",tag,(state and state.kind) or "unset",newkind) - end - if not state then - state = { - kind = newkind - } - notestates[tag] = state - elseif newkind == "insert" then - if not state.start then - state.kind = newkind - end - else - state.kind = newkind - end - -- state.start can already be set and will be set when an entry is added or flushed - return state -end - -function notes.getstate(tag) - local state = notestates[tag] - context(state and state.kind or "unknown") -end +commands.savenote = notes.save +commands.restorenote = notes.restore -function notes.doifcontent(tag) +local function hascontent(tag) local ok = notestates[tag] if ok then if ok.kind == "insert" then @@ -160,17 +195,21 @@ function notes.doifcontent(tag) ok = ok.start end end - commands.doif(ok) + return ok and true or false +end + +notes.hascontent = hascontent + +function commands.doifnotecontent(tag) + commands.doif(hascontent(tag)) end local function internal(tag,n) local nd = get(tag,n) if nd then --- inspect(nd) local r = nd.references if r then local i = r.internal --- return i and lists.internals[i] return i and references.internals[i] -- dependency on references end end @@ -186,7 +225,7 @@ end notes.internal = internal notes.ordered = ordered -function notes.doifonsamepageasprevious(tag) +local function onsamepageasprevious(tag) local same = false local n = getn(tag,n) local current, previous = get(tag,n), get(tag,n-1) @@ -194,7 +233,13 @@ function notes.doifonsamepageasprevious(tag) local cr, pr = current.references, previous.references same = cr and pr and cr.realpage == pr.realpage end - commands.doifelse(same) + return same and true or false +end + +notes.doifonsamepageasprevious = onsamepageasprevious + +function commands.doifnoteonsamepageasprevious(tag) + commands.doifelse(onsamepageasprevious(tag)) end function notes.checkpagechange(tag) -- called before increment ! @@ -222,13 +267,15 @@ function notes.postpone() end for tag, state in next, notestates do if state.kind ~= "store" then - notes.setstate(tag,"postpone") + setstate(tag,"postpone") end end end +commands.postponenotes = notes.postpone + function notes.setsymbolpage(tag,n,l) - local l = l or notes.listindex(tag,n) + local l = l or listindex(tag,n) if l then local p = texcount.realpageno if trace_notes or trace_references then @@ -245,41 +292,32 @@ function notes.setsymbolpage(tag,n,l) end end --- function notes.getsymbolpage(tag,n) --- local nd = get(tag,n) --- local p = nd and nd.references.symbolpage or 0 --- if trace_notes or trace_references then --- report_notes("page number of note symbol %s of '%s' is %s",n,tag,p) --- end --- context(p) --- end +commands.setnotesymbolpage = notes.setsymbolpage -function notes.getsymbolpage(tag,n) +local function getsymbolpage(tag,n) local li = internal(tag,n) li = li and li.references li = li and (li.symbolpage or li.realpage) or 0 if trace_notes or trace_references then report_notes("page number of note symbol %s of '%s' is %s",n,tag,li) end - context(li) + return li end -function notes.getnumberpage(tag,n) +local function getnumberpage(tag,n) local li = internal(tag,n) li = li and li.references li = li and li.realpage or 0 if trace_notes or trace_references then report_notes("page number of note number %s of '%s' is %s",n,tag,li) end - context(li) + return li end -function notes.deltapage(tag,n) +local function getdeltapage(tag,n) -- 0:unknown 1:textbefore, 2:textafter, 3:samepage local what = 0 - --- references.internals[lists.tobesaved[nd].internal] - + -- references.internals[lists.tobesaved[nd].internal] local li = internal(tag,n) if li then local references = li.references @@ -301,10 +339,18 @@ function notes.deltapage(tag,n) -- nesting in a vbox end end - context(what) + return what end -function notes.flush(tag,whatkind,how) -- store and postpone +notes.getsymbolpage = getsymbolpage +notes.getnumberpage = getnumberpage +notes.getdeltapage = getdeltapage + +function commands.notesymbolpage(tag,n) context(getsymbolpage(tag,n)) end +function commands.notenumberpage(tag,n) context(getnumberpage(tag,n)) end +function commands.notedeltapage (tag,n) context(getdeltapage (tag,n)) end + +function commands.flushnotes(tag,whatkind,how) -- store and postpone local state = notestates[tag] local kind = state.kind if kind == whatkind then @@ -360,12 +406,12 @@ function notes.flush(tag,whatkind,how) -- store and postpone end end -function notes.flushpostponed() +function commands.flushpostponednotes() if trace_notes then report_notes("flushing all postponed notes") end for tag, _ in next, notestates do - notes.flush(tag,"postpone") + commands.flushnotes(tag,"postpone") end end |