diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/third/rst/rst_helpers.lua')
-rw-r--r-- | Master/texmf-dist/tex/context/third/rst/rst_helpers.lua | 101 |
1 files changed, 61 insertions, 40 deletions
diff --git a/Master/texmf-dist/tex/context/third/rst/rst_helpers.lua b/Master/texmf-dist/tex/context/third/rst/rst_helpers.lua index e90a55a857a..97d4dd78ae9 100644 --- a/Master/texmf-dist/tex/context/third/rst/rst_helpers.lua +++ b/Master/texmf-dist/tex/context/third/rst/rst_helpers.lua @@ -4,11 +4,11 @@ -- USAGE: called by rst_parser.lua -- DESCRIPTION: Complement to the reStructuredText parser -- AUTHOR: Philipp Gesang (Phg), <phg42.2a@gmail.com> --- CHANGED: 2012-06-05 22:17:31+0200 +-- CHANGED: 2013-03-26 23:55:04+0100 -------------------------------------------------------------------------------- -- -local P, R, S, V, match +local P, R, S, V, lpegmatch = lpeg.P, lpeg.R, lpeg.S, lpeg.V, lpeg.match local C, Carg, Cb, Cc, Cg, @@ -58,8 +58,8 @@ do p.col_start = Cp() * p.dash_or_equals^1 p.col_stop = p.dash_or_equals^1 * Cp() - p.column_starts = p.col_start * ( p.space^1 * p.col_start)^1 - p.column_stops = p.col_stop * ( p.space^1 * p.col_stop)^1 + p.column_starts = Ct(p.col_start * ( p.space^1 * p.col_start)^1) + p.column_stops = Ct(p.col_stop * ( p.space^1 * p.col_stop)^1) p.st_headsep = p.equals^1 * (p.space^1 * p.equals^1)^1 p.st_colspan = p.dash^1 * (p.space^1 * p.dash^1)^0 * p.space^0 * p.last @@ -159,7 +159,9 @@ local function set_layout (line) layout.widths = {} layout.slices = {} - for n, elm in ipairs(slice:match(line)) do + local elms = lpegmatch(slice, line) + for n=1, #elms do + local elm = elms[n] layout.widths[n] = #elm layout.slices[n] = elm end @@ -187,7 +189,8 @@ function helpers.table.create(raw) local hc = helpers.cell local rowcount = 0 local newtablayout = newtab.layout - for nr, row in ipairs(raw) do + for nr=1, #raw do + local row = raw[nr] newtab.rows[nr] = {} local this_row = newtab.rows[nr] this_row.sepline = p.sep_line:match(row) @@ -244,11 +247,13 @@ function helpers.table.create(raw) local oldrows = newtab.rows local newrows = oldrows - for nc, width in ipairs(newtablayout.widths) do + for nc=1, #newtablayout.widths do + local width = newtablayout.widths[nc] -- this is gonna be extremely slow but at least it's readable local newrow local currentrow = 1 - for nr, row in ipairs(newrows) do + for nr=1, #newrows do + local row = newrows[nr] local cell = row[nc] dbg_write("nc: %s, nr:%2s | %9s | ", nc, nr,cell.variant) if row.sepline or row.sephead @@ -300,18 +305,22 @@ function helpers.table.create(raw) newtab.__init() - --newtab.__draw_debug = function() - --for nr, row in ipairs(newtab.rows) do - --for nc, cell in ipairs(row) do - --local field = cell.variant:sub(1,7) - --if cell.parent then - --field = field .. string.format(" %s,%2s",cell.parent.x, cell.parent.y) - --end - --dbg_write("%12s | ", field) - --end - --dbg_write("\n") - --end - --end +--[[ + newtab.__draw_debug = function() + for nr=1, #newtab.rows do + local row = newtab.rows[nr] + for nc=1, #row do + local cell = row[nc] + local field = cell.variant:sub(1,7) + if cell.parent then + field = field .. string.format(" %s,%2s",cell.parent.x, cell.parent.y) + end + dbg_write("%12s | ", field) + end + dbg_write("\n") + end + end +--]] return newtab end @@ -330,13 +339,20 @@ end -- Check the column boundaries of a simple table. function helpers.get_st_boundaries (str) - local p = helpers.patterns - local starts, stops, slices = {}, {}, {} - for n, elm in ipairs({ p.column_starts:match(str) }) do + local p_column_starts = helpers.patterns.column_starts + local p_column_stops = helpers.patterns.column_stops + local starts, stops, slices, elms = { }, { }, { }, nil + + elms = lpegmatch(p_column_starts, str) + for n=1, #elms do + local elm = elms[n] slices[n] = { start = elm } starts[elm] = true end - for n, elm in ipairs({ p.column_stops :match(str) }) do + + elms = lpegmatch(p_column_stops, str) + for n=1, #elms do + local elm = elms[n] slices[n]["stop"] = elm stops[elm] = true end @@ -349,9 +365,9 @@ function helpers.table.simple(raw) local bounds = helpers.get_st_boundaries(raw[1]) local p = helpers.patterns - for nr, row in ipairs(raw) do + for nr=1, #raw do + local row = raw[nr] local newrow = {} - local nc = 1 if not p.st_headsep:match(row) and not p.st_colspan:match(row) then local starts, stops = {}, {} @@ -361,13 +377,15 @@ function helpers.table.simple(raw) stops = p.st_span_stops :match(raw[nr+1]) check_span = true else - for colnr, slice in ipairs(bounds.slices) do - starts[colnr] = slice.start - stops [colnr] = slice.stop + for ncol=1, #bounds.slices do + local slice = bounds.slices[ncol] + starts[ncol] = slice.start + stops [ncol] = slice.stop end end - for nc, start in ipairs(starts) do + for nc=1, #starts do + local start = starts[nc] -- last column can exceed layout width local stop = nc ~= #starts and stops[nc] or #row local cell = { @@ -377,18 +395,19 @@ function helpers.table.simple(raw) cell.content = stringstrip(row:sub(start, stop)) if check_span then local start_at, stop_at - for colnr, slice in ipairs(bounds.slices) do + for ncol=1, #bounds.slices do + local slice = bounds.slices[ncol] if slice.start == start then - start_at = colnr + start_at = ncol end if start_at and - not (colnr == #bounds.slices) then + not (ncol == #bounds.slices) then if slice.stop == stop then - stop_at = colnr + stop_at = ncol break end else -- last column, width doesn't matter - stop_at = colnr + stop_at = ncol end end cell.span.x = 1 + stop_at - start_at @@ -408,10 +427,12 @@ function helpers.table.simple(raw) rows[nr] = newrow end - for nr, row in ipairs(rows) do + for nr=1, #rows do + local row = rows[nr] if not row.ignore and row[1].content == "" then row.ignore = true - for nc, cell in ipairs(row) do + for nc=1, #row do + local cell = row[nc] local par_row, par_col = helpers.table.resolve_parent(nr - 1, nc, rows) parent = rows[par_row][par_col] parent.content = parent.content .. " " .. cell.content @@ -515,7 +536,7 @@ do return false end - local trc = state.roman_cache + local trc = thirddata.rst.state.roman_cache n_str = trc[str] or nil n_old = trc[old] or nil if not n_str then @@ -549,7 +570,7 @@ do end - local trc = state.roman_cache + local trc = thirddata.rst.state.roman_cache n_str = trc[str] or nil n_old = trc[old] or nil if not n_str then @@ -578,7 +599,7 @@ do return false end - local trc = state.roman_cache + local trc = thirddata.rst.state.roman_cache n_str = trc[str] or nil if not n_str then n_str = roman_to_arab(str:lower()) |