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200 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2004-2013, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 3, or (at your option) any --
-- later version. This library is distributed in the hope that it will be --
-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
------------------------------------------------------------------------------
with Ada.Characters.Handling;
with Ada.Strings.Fixed;
with AWS.Services.Split_Pages.Shared;
with AWS.Utils;
package body AWS.Services.Split_Pages.Uniform.Alpha is
use Ada;
---------------------
-- Get_Page_Ranges --
---------------------
overriding function Get_Page_Ranges
(This : Splitter;
Table : Templates.Translate_Set) return Ranges_Table
is
use Templates;
procedure Add_Entry (C : Character; Position : Positive);
-- Set index for character C entry
Self : Splitter renames Splitter (This.Self.all);
Key_Vec : constant Tag :=
Shared.Associated_Vector (Table, To_String (Self.Key));
Result : constant Ranges_Table :=
Get_Page_Ranges (Uniform.Splitter (This), Table);
Initial : Character;
---------------
-- Add_Entry --
---------------
procedure Add_Entry (C : Character; Position : Positive) is
begin
if C < Initial then
raise Splitter_Error;
end if;
case C is
when ' ' =>
Self.Lines (1) := Position;
when '0' .. '9' =>
Self.Lines (2) := Position;
when 'A' .. 'Z' =>
Self.Lines (Alpha_Value (C)) := Position;
when others =>
raise Splitter_Error;
end case;
end Add_Entry;
begin
-- Clear context from (possible) previous runs
Clear (Self.S_HREFS_V);
Clear (Self.S_INDEXES_V);
Self.Lines := (others => 0);
-- Build table
declare
use Ada.Characters.Handling;
use Ada.Strings.Fixed;
Name : constant String := Trim (Item (Key_Vec, 1), Strings.Left);
begin
if Name = "" then
Initial := ' ';
else
Initial := To_Upper (Name (Name'First));
end if;
Add_Entry (Initial, 1);
end;
for I in 2 .. Size (Key_Vec) loop
declare
use Ada.Characters.Handling;
use Ada.Strings.Fixed;
Name : constant String :=
Trim (Item (Key_Vec, I), Strings.Left);
New_Initial : Character;
begin
if Name = "" then
New_Initial := ' ';
else
New_Initial := To_Upper (Name (Name'First));
end if;
if New_Initial /= Initial then
Add_Entry (New_Initial, I);
Initial := New_Initial;
end if;
end;
end loop;
return Result;
end Get_Page_Ranges;
----------------------
-- Get_Translations --
----------------------
overriding function Get_Translations
(This : Splitter;
Page : Positive;
URIs : URI_Table;
Ranges : Ranges_Table) return Templates.Translate_Set
is
use Templates;
procedure Add_Ref (Line : Natural);
-- ???
Self : Splitter renames Splitter (This.Self.all);
Result : Templates.Translate_Set :=
Get_Translations
(Uniform.Splitter (This), Page, URIs, Ranges);
R_Index : Natural := 1;
-------------
-- Add_Ref --
-------------
procedure Add_Ref (Line : Natural) is
begin
if Line = 0 then
Self.S_HREFS_V := Self.S_HREFS_V & " ";
else
while Ranges (R_Index).Last < Line loop
R_Index := R_Index + 1;
end loop;
Self.S_HREFS_V :=
Self.S_HREFS_V
& (URIs (R_Index) & '#'
& Utils.Image (Line - Ranges (R_Index).First + 1));
end if;
end Add_Ref;
begin
if Size (Self.S_HREFS_V) = 0 then
-- Not yet initialized
Self.S_INDEXES_V := +"<>";
Add_Ref (Self.Lines (1));
Self.S_INDEXES_V := Self.S_INDEXES_V & "0..9";
Add_Ref (Self.Lines (2));
for C in Character range 'A' .. 'Z' loop
Self.S_INDEXES_V := Self.S_INDEXES_V & C;
Add_Ref (Self.Lines (Alpha_Value (C)));
end loop;
end if;
Insert (Result, Assoc ("S_HREFS_V", Self.S_HREFS_V));
Insert (Result, Assoc ("S_INDEXES_V", Self.S_INDEXES_V));
return Result;
end Get_Translations;
-------------
-- Set_Key --
-------------
procedure Set_Key (This : in out Splitter; Key : String) is
begin
This.Key := To_Unbounded_String (Key);
end Set_Key;
end AWS.Services.Split_Pages.Uniform.Alpha;
|