diff options
Diffstat (limited to 'util/xtemplate.lua')
| -rw-r--r-- | util/xtemplate.lua | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/util/xtemplate.lua b/util/xtemplate.lua index 88baf1f7..446d7d1f 100644 --- a/util/xtemplate.lua +++ b/util/xtemplate.lua @@ -3,13 +3,21 @@ local s_match = string.match; local s_sub = string.sub; local t_concat = table.concat; -local st = require("util.stanza"); +local st = require("prosody.util.stanza"); local function render(template, root, escape, filters) escape = escape or st.xml_escape; - return (s_gsub(template, "%b{}", function(block) + return (s_gsub(template, "(%s*)(%b{})(%s*)", function(pre_blank, block, post_blank) local inner = s_sub(block, 2, -2); + if inner:sub(1, 1) == "-" then + pre_blank = ""; + inner = inner:sub(2); + end + if inner:sub(-1, -1) == "-" then + post_blank = ""; + inner = inner:sub(1, -2); + end local path, pipe, pos = s_match(inner, "^([^|]+)(|?)()"); if not (type(path) == "string") then return end local value @@ -32,7 +40,7 @@ local function render(template, root, escape, filters) if args then args = s_sub(args, 2, -2); end if func == "each" and tmpl then - if not st.is_stanza(value) then return "" end + if not st.is_stanza(value) then return pre_blank .. post_blank end if not args then value, args = root, path; end local ns, name = s_match(args, "^(%b{})(.*)$"); if ns then @@ -62,11 +70,7 @@ local function render(template, root, escape, filters) end elseif filters and filters[func] then local f = filters[func]; - if args == nil then - value, is_escaped = f(value, tmpl); - else - value, is_escaped = f(args, value, tmpl); - end + value, is_escaped = f(value, args, tmpl); else error("No such filter function: " .. func); end @@ -75,12 +79,12 @@ local function render(template, root, escape, filters) if type(value) == "string" then if not is_escaped then value = escape(value); end - return value + return pre_blank .. value .. post_blank elseif st.is_stanza(value) then value = value:get_text(); - if value then return escape(value) end + if value then return pre_blank .. escape(value) .. post_blank end end - return "" + return pre_blank .. post_blank end)) end |