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-- The xml module
xml = {}
function xml:parseargs (s)
local arg = {}
gsub(s, "(%w+)=([\"'])(.-)%2", function (w, _, a)
%arg[w] = a
end)
return arg
end
-- s is a xml stream, returns a table
function xml:collect (s)
local stack = {n=0}
local top = {n=0}
tinsert(stack, top)
local ni,c,label,args, empty
local i, j = 1, 1
while 1 do
ni,j,c,label,args, empty = strfind(s, "<(%/?)(%w+)(.-)(%/?)>", j)
if not ni then break end
local text = strsub(s, i, ni-1)
if not strfind(text, "^%s*$") then
tinsert(top, text)
end
if empty == "/" then -- empty element tag
tinsert(top, {n=0, label=label, args=xml:parseargs(args), empty=1})
elseif c == "" then -- start tag
top = {n=0, label=label, args=xml:parseargs(args)}
tinsert(stack, top) -- new level
else -- end tag
local toclose = tremove(stack) -- remove top
top = stack[stack.n]
if stack.n < 1 then
error("nothing to close with "..label)
end
if toclose.label ~= label then
error("trying to close "..toclose.label.." with "..label)
end
tinsert(top, toclose)
end
i = j+1
end
local text = strsub(s, i)
if not strfind(text, "^%s*$") then
tinsert(stack[stack.n], text)
end
if stack.n > 1 then
error("unclosed "..stack[stack.n].label)
end
return stack[1]
end
-- Viewport coordinates
xml.write_out_y = 0
xml.write_out_x = 0
xml.write_out_h = 24
xml.write_out_w = 80
-- Offsets
xml.write_off_y = 0
xml.write_off_x = 0
-- Current position
xml.write_y = 0
xml.write_x = 0
xml.write_screen = function(color, s)
local i
for i = 1, strlen(s) do
local c = strsub(s, i, i + 1)
if c ~= "\n" then
if xml.write_y - xml.write_off_y >= 0 and xml.write_y - xml.write_off_y < xml.write_out_h and xml.write_x - xml.write_off_x >= 0 and xml.write_x - xml.write_off_x < xml.write_out_w then
Term_putch(xml.write_x - xml.write_off_x + xml.write_out_x, xml.write_y - xml.write_off_y + xml.write_out_y, color, strbyte(c))
end
xml.write_x = xml.write_x + 1
else
xml.write_x = 0
xml.write_y = xml.write_y + 1
end
end
end
xml.write_file = function (color, s)
print_hook(s)
end
xml.write = xml.write_screen
xml.rule2string = {
['name'] = {"Its ", "name", " is"},
['contain'] = {"Its ", "name", " contains"},
['symbol'] = {"Its ", "symbol", " is"},
['inscribed'] = {"Its ", "inscription", " contains"},
['state'] = {"Its ", "state", " is"},
['status'] = {"Its ", "status", " is"},
['tval'] = {"Its ", "tval", " is"},
['race'] = {"Your ", "race", " is"},
['subrace'] = {"Your ", "subrace", " is"},
['class'] = {"Your ", "class", " is"},
['foo1'] = {"The result of ", "test 1 ", "is"},
['foo2'] = {"The result of ", "test 2 ", "is"},
['foo3'] = {"The result of ", "test 3 ", "is"},
}
xml.display_english = 1
function xml:display_xml(t, tab)
if xml.display_english then
xml:english_xml(t, tab)
else
xml:print_xml(t, tab)
end
end
function xml:english_xml(t, tab, not_flag)
local i, k, e
local pre, post, recurse
local children_not_flag
local nextlevel
local bcol, ecol = TERM_L_GREEN, TERM_GREEN
if xml.write_active and t == auto_aux.rule then bcol, ecol = TERM_VIOLET, TERM_VIOLET end
nextlevel = tab .. " "
recurse = 1
if t.label == "rule" then
if t.args.type == "inscribe" then
xml.write(TERM_WHITE, tab)
xml.write(ecol, "A rule named \"")
xml.write(TERM_WHITE, tostring(t.args.name))
xml.write(ecol, "\" to ")
xml.write(bcol, "inscribe")
xml.write(ecol, " an item with \"")
xml.write(TERM_WHITE, t.args.inscription)
xml.write(ecol, "\" when")
xml.write(TERM_WHITE, "\n")
else
xml.write(TERM_WHITE, tab)
xml.write(ecol, "A rule named \"")
xml.write(TERM_WHITE, tostring(t.args.name))
xml.write(ecol, "\" to ")
xml.write(bcol, t.args.type)
xml.write(ecol, " when")
xml.write(TERM_WHITE, "\n")
end
elseif t.label == "and" then
if not_flag then
xml.write(TERM_WHITE, tab)
xml.write(ecol, "At least one of the following is false:")
xml.write(TERM_WHITE, "\n")
else
xml.write(TERM_WHITE, tab)
xml.write(ecol, "All of the following are true:")
xml.write(TERM_WHITE, "\n")
end
elseif t.label == "or" then
if not_flag then
xml.write(TERM_WHITE, tab)
xml.write(ecol, "All of the following are false:")
xml.write(TERM_WHITE, "\n")
else
xml.write(TERM_WHITE, tab)
xml.write(ecol, "At least one of the following are true:")
xml.write(TERM_WHITE, "\n")
end
elseif t.label == "not" then
if bcol == TERM_VIOLET or getn(t) == 0 then
xml.write(ecol, "(a negating rule)")
xml.write(TERM_WHITE, "\n")
else
nextlevel = tab
end
children_not_flag = not nil
elseif t.label == "comment" then
xml.write(TERM_WHITE, tab)
xml.write(TERM_WHITE, "(" .. t[1] .. ")")
xml.write(TERM_WHITE, "\n")
elseif t.label == "skill" then
local s = t[1]
if not_flag then
xml.write(TERM_WHITE, tab)
xml.write(ecol, "Your skill in ")
xml.write(bcol, s)
xml.write(ecol, " is not from ")
xml.write(TERM_WHITE, tostring(t.args.min))
xml.write(ecol, " to ")
xml.write(TERM_WHITE, tostring(t.args.max))
xml.write(TERM_WHITE, "\n")
else
xml.write(TERM_WHITE, tab)
xml.write(ecol, "Your skill in ")
xml.write(bcol, s)
xml.write(ecol, " is from ")
xml.write(TERM_WHITE, tostring(t.args.min))
xml.write(ecol, " to ")
xml.write(TERM_WHITE, tostring(t.args.max))
xml.write(TERM_WHITE, "\n")
end
elseif t.label == "ability" then
local s = t[1]
if not_flag then
xml.write(TERM_WHITE, tab)
xml.write(ecol, "You do not have the ")
xml.write(bcol, s)
xml.write(ecol, " ability")
xml.write(TERM_WHITE, "\n")
else
xml.write(TERM_WHITE, tab)
xml.write(ecol, "You have the ")
xml.write(bcol, s)
xml.write(ecol, " ability")
xml.write(TERM_WHITE, "\n")
end
elseif t.label == "level" then
if not_flag then
xml.write(TERM_WHITE, tab)
xml.write(ecol, "Your ")
xml.write(bcol, "level")
xml.write(ecol, " is not from ")
xml.write(TERM_WHITE, tostring(t.args.min))
xml.write(ecol, " to ")
xml.write(TERM_WHITE, tostring(t.args.max))
xml.write(TERM_WHITE, "\n")
else
xml.write(TERM_WHITE, tab)
xml.write(ecol, "Your ")
xml.write(bcol, "level")
xml.write(ecol, " is from ")
xml.write(TERM_WHITE, tostring(t.args.min))
xml.write(ecol, " to ")
xml.write(TERM_WHITE, tostring(t.args.max))
xml.write(TERM_WHITE, "\n")
end
elseif t.label == "sval" then
if not_flag then
xml.write(TERM_WHITE, tab)
xml.write(ecol, "Its ")
xml.write(bcol, "sval")
xml.write(ecol, " is not from ")
xml.write(TERM_WHITE, tostring(t.args.min))
xml.write(ecol, " to ")
xml.write(TERM_WHITE, tostring(t.args.max))
xml.write(TERM_WHITE, "\n")
else
xml.write(TERM_WHITE, tab)
xml.write(ecol, "Its ")
xml.write(bcol, "sval")
xml.write(ecol, " is from ")
xml.write(TERM_WHITE, tostring(t.args.min))
xml.write(ecol, " to ")
xml.write(TERM_WHITE, tostring(t.args.max))
xml.write(TERM_WHITE, "\n")
end
elseif t.label == "discount" then
if not_flag then
xml.write(TERM_WHITE, tab)
xml.write(ecol, "Its ")
xml.write(bcol, "discount")
xml.write(ecol, " is not from ")
xml.write(TERM_WHITE, tostring(t.args.min))
xml.write(ecol, " to ")
xml.write(TERM_WHITE, tostring(t.args.max))
xml.write(TERM_WHITE, "\n")
else
xml.write(TERM_WHITE, tab)
xml.write(ecol, "Its ")
xml.write(bcol, "discount")
xml.write(ecol, " is from ")
xml.write(TERM_WHITE, tostring(t.args.min))
xml.write(ecol, " to ")
xml.write(TERM_WHITE, tostring(t.args.max))
xml.write(TERM_WHITE, "\n")
end
else
if xml.rule2string[t.label] then
local rule = xml.rule2string[t.label]
a, b, c = rule[1], rule[2], rule[3]
if not_flag then c = c .. " not" end
xml.write(TERM_WHITE, tab)
xml.write(ecol, a)
xml.write(bcol, b)
xml.write(ecol, c)
xml.write(ecol, " \"")
xml.write(TERM_WHITE, t[1])
xml.write(ecol, "\"")
xml.write(TERM_WHITE, "\n")
else
if not_flag then
xml.write(bcol, "Not:\n")
tab = tab .. " "
xml:print_xml(t, tab)
return
end
end
end
for i = 1, getn(t) do
if type(t[i]) == "string" then
-- xml.write(TERM_WHITE, t[i].."\n")
else
xml:english_xml(t[i], nextlevel, children_not_flag)
end
end
end
function xml:print_xml(t, tab)
local i, k, e
local inside = nil
local bcol, ecol = TERM_L_GREEN, TERM_GREEN
if xml.write_active and t == auto_aux.rule then bcol, ecol = TERM_VIOLET, TERM_VIOLET end
xml.write(bcol, tab.."<"..t.label)
for k, e in t.args do
xml.write(TERM_L_BLUE, " "..k)
xml.write(TERM_WHITE, "=\"")
xml.write(TERM_YELLOW, e)
xml.write(TERM_WHITE, "\"")
end
xml.write(bcol, ">")
for i = 1, getn(t) do
if type(t[i]) == "string" then
xml.write(TERM_WHITE, t[i])
else
if not inside then xml.write(TERM_WHITE, "\n") end
inside = not nil
xml:print_xml(t[i], tab.." ")
end
end
if not inside then
xml.write(ecol, "</"..t.label..">\n")
else
xml.write(ecol, tab.."</"..t.label..">\n")
end
end
-- t is a table representing xml, outputs the xml code via xml.write()
function xml:output(t)
local i
for i = 1, getn(t) do
xml:print_xml(t[i], "")
end
end
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