More restructure: Merge format_map and format_sequence together, same with format_single_line_map nad format_single_line_sequence.

pretty.lua

@@ -269,62 +269,51 @@ local function format_key_and_value_arbitr_map (l, key, value, options, depth)
     l[#l+1] = format_value(value, options, depth)
 end
 
--- Formatting tables
+local function format_key_and_value_sequence (l, key, value, options, depth)
-
+    l[#l+1] = format_value(value, options, depth)
-local function format_single_line_sequence (t, options)
-    -- NOTE: Assumes that the input table was pre-checked with `is_single_line_table()`
-
-    local l = {}
-    for i = 1, #t do  l[i] = format_value(t[i], options)  end
-    return '{ ' .. table.concat(l, ', ') .. ' }'
 end
 
+local function get_pair_format_func (t)
+    local table_type = get_table_type(t)
+    if     table_type == TABLE_TYPE_SEQUENCE then  return format_key_and_value_sequence
+    elseif contains_only_nice_string_keys(t) then  return format_key_and_value_string_map
+    end
+    return format_key_and_value_arbitr_map
+end
+
+-- Formatting tables
+
 local function format_single_line_map (t, options)
     -- NOTE: Assumes that the input table was pre-checked with `is_single_line_table()`
 
-    local pair_format_func = contains_only_nice_string_keys(t) and format_key_and_value_string_map or format_key_and_value_arbitr_map
-
     local key_value_pairs = get_key_value_pairs_in_proper_order(t)
+    local pair_format_func = get_pair_format_func(t)
+
     local l = {'{ '}
+    local top_before = #l
+
     for _, pair in ipairs(key_value_pairs) do
-        local top_before = #l
         pair_format_func(l, pair[1], pair[2], options, 'max')
         l[#l+1] = ', '
-        -- Ignore the "width of key"-shit
-        for i = top_before, #l do  if type(l[i]) == 'number' then l[i] = '' end  end
     end
+
+    -- Ignore the "width of key"-shit
+    for i = top_before, #l do
+        if type(l[i]) == 'number' then
+            l[i] = ''
+        end
+    end
+
     if l[#l] == ', ' then  l[#l] = nil  end
     l[#l+1] = ' }'
     return table.concat(l, '')
 end
 
-local function format_sequence (t, options, depth)
-    if depth ~= 'max' and depth >= options.max_depth    then  return '{...}'
-    elseif is_single_line_table(t)                      then  return format_single_line_sequence(t, options)
-    elseif depth == 'max'                               then  return '{...}'
-    end
-
-    local l = {'{\n'}
-    for index, value in ipairs(t) do
-        l[#l+1] = options.indent:rep(depth + 1)
-        l[#l+1] = format_value(value, options, depth + 1)
-        l[#l+1] = ',\n'
-    end
-    l[#l]   = '\n'
-    l[#l+1] = options.indent:rep(depth)
-    l[#l+1] = '}'
-    return table.concat(l, '')
-end
-
 local function format_map (t, options, depth)
-    if depth ~= 'max' and depth >= options.max_depth    then  return '{...}'
-    elseif is_single_line_table(t)                      then  return format_single_line_map(t, options)
-    elseif depth == 'max'                               then  return '{...}'
-    end
-
-    local key_value_pairs  =  get_key_value_pairs_in_proper_order(t)
-    local pair_format_func  =  contains_only_nice_string_keys(t) and format_key_and_value_string_map or format_key_and_value_arbitr_map
 
+    local key_value_pairs   =  get_key_value_pairs_in_proper_order(t)
+    local pair_format_func  =  get_pair_format_func(t)
+    
     -- Figure out the max key length
     local l = {'{\n'}
     local top_before = #l
@@ -356,10 +345,18 @@ end
 function format_table (t, options, depth)
     local table_type = get_table_type(t)
 
-    if     table_type == TABLE_TYPE_EMPTY    then   return '{}'
+    -- Empty or exteeding max-depth?
-    elseif table_type == TABLE_TYPE_SEQUENCE then   return format_sequence(t, options, depth)
+    if table_type == TABLE_TYPE_EMPTY then  return '{}'
-    else                                            return format_map(t, options, depth)
+    elseif depth ~= 'max' and depth >= options.max_depth then  return '{...}'
     end
+
+    -- Single line?
+    if is_single_line_table(t)  then  return format_single_line_map(t, options)  end
+
+    if depth == 'max' then  return '{...}'  end
+
+    -- Normal table
+    return format_map(t, options, depth)
 end
 
 local function format_string (str, options)