diff options
Diffstat (limited to 'tex/context/base/mkiv/node-cmp.lua')
| -rw-r--r-- | tex/context/base/mkiv/node-cmp.lua | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/node-cmp.lua b/tex/context/base/mkiv/node-cmp.lua new file mode 100644 index 000000000..e13e93d1f --- /dev/null +++ b/tex/context/base/mkiv/node-cmp.lua @@ -0,0 +1,232 @@ +if node.count then + return +end + +local type = type + +local node = node +local direct = node.direct +local todirect = direct.tovaliddirect +local tonode = direct.tonode + +local count = direct.count +local length = direct.length +local slide = direct.slide + +function node.count(id,first,last) + return count(id,first and todirect(first), last and todirect(last) or nil) +end + +function node.length(first,last) + return length(first and todirect(first), last and todirect(last) or nil) +end + +function node.slide(n) + if n then + n = slide(todirect(n)) + if n then + return tonode(n) + end + end + return nil +end + +local hyphenating = direct.hyphenating +local ligaturing = direct.ligaturing +local kerning = direct.kerning + +-- kind of inconsistent + +function node.hyphenating(first,last) + if first then + local h, t = hyphenating(todirect(first), last and todirect(last) or nil) + return h and tonode(h) or nil, t and tonode(t) or nil, true + else + return nil, false + end +end + +function node.ligaturing(first,last) + if first then + local h, t = ligaturing(todirect(first), last and todirect(last) or nil) + return h and tonode(h) or nil, t and tonode(t) or nil, true + else + return nil, false + end +end + +function node.kerning(first,last) + if first then + local h, t = kerning(todirect(first), last and todirect(last) or nil) + return h and tonode(h) or nil, t and tonode(t) or nil, true + else + return nil, false + end + end + +local protect_glyph = direct.protect_glyph +local unprotect_glyph = direct.unprotect_glyph +local protect_glyphs = direct.protect_glyphs +local unprotect_glyphs = direct.unprotect_glyphs + +function node.protect_glyphs(first,last) + protect_glyphs(todirect(first), last and todirect(last) or nil) +end + +function node.unprotect_glyphs(first,last) + unprotect_glyphs(todirect(first), last and todirect(last) or nil) +end + +function node.protect_glyph(first) + protect_glyph(todirect(first)) +end + +function node.unprotect_glyph(first) + unprotect_glyph(todirect(first)) +end + +local flatten_discretionaries = direct.flatten_discretionaries +local check_discretionaries = direct.check_discretionaries +local check_discretionary = direct.check_discretionary + +function node.flatten_discretionaries(first) + local h, count = flatten_discretionaries(todirect(first)) + return tonode(h), count +end + +function node.check_discretionaries(n) + check_discretionaries(todirect(n)) +end + +function node.check_discretionary(n) + check_discretionary(todirect(n)) +end + +local hpack = direct.hpack +local vpack = direct.vpack +local list_to_hlist = direct.mlist_to_hlist + +function node.hpack(head,...) + local h, badness = hpack(head and todirect(head) or nil,...) + return tonode(h), badness +end + +function node.vpack(head,...) + local h, badness = vpack(head and todirect(head) or nil,...) + return tonode(h), badness +end + +function node.mlist_to_hlist(head,...) + return tonode(mlist_to_hlist(head and todirect(head) or nil,...)) +end + +local end_of_math = direct.end_of_math +local find_attribute = direct.find_attribute +local first_glyph = direct.first_glyph + +function node.end_of_math(n) + if n then + n = end_of_math(todirect(n)) + if n then + return tonode(n) + end + end + return nil +end + +function node.find_attribute(n,a) + if n then + local v, n = find_attribute(todirect(n),a) + if n then + return v, tonode(n) + end + end + return nil +end + +function node.first_glyph(first,last) + local n = first_glyph(todirect(first), last and todirect(last) or nil) + return n and tonode(n) or nil +end + +local dimensions = direct.dimensions +local rangedimensions = direct.rangedimensions +local effective_glue = direct.effective_glue + +function node.dimensions(a,b,c,d,e) + if type(a) == "userdata" then + a = todirect(a) + if type(b) == "userdata" then + b = todirect(b) + end + return dimensions(a,b) + else + d = todirect(d) + if type(e) == "userdata" then + e = todirect(e) + end + return dimensions(a,b,c,d,e) + end + return 0, 0, 0 +end + +function node.rangedimensions(parent,first,last) + return rangedimenensions(todirect(parent),todirect(first),last and todirect(last)) +end + +function node.effective_glue(list,parent) + return effective_glue(list and todirect(list) or nil,parent and todirect(parent) or nil) +end + +local uses_font = direct.uses_font +local has_glyph = direct.has_glyph +local protrusion_skippable = direct.protrusion_skippable +local prepend_prevdepth = direct.prepend_prevdepth +local make_extensible = direct.make_extensible + +function node.uses_font(n,f) + return uses_font(todirect(n),f) +end + +function node.has_glyph(n) + return has_glyph(todirect(n)) +end + +function node.protrusion_skippable(n) + return protrusion_skippable(todirect(n)) +end + +function node.prepend_prevdepth(n) + local n, d = prepend_prevdepth(todirect(n)) + return tonode(n), d +end + +function node.make_extensible(...) + local n = make_extensible(...) + return n and tonode(n) or nil +end + +local last_node = direct.last_node + +function node.last_node() + local n = last_node() + return n and tonode(n) or nil +end + +local is_zero_glue = direct.is_zero_glue +local getglue = direct.getglue +local setglue = direct.setglue + +function node.is_zero_glue(n) + return is_zero_glue(todirect(n)) +end + +function node.get_glue(n) + return get_glue(todirect(n)) +end + +function node.set_glue(n) + return set_glue(todirect(n)) +end + +node.family_font = tex.getfontoffamily |