#
# Copyright (c) 2011 D. Richard Hipp
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the Simplified BSD License (also
# known as the "2-Clause License" or "FreeBSD License".)
#
# This program 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.
#
# Author contact information:
#   drh@hwaci.com
#   http://www.hwaci.com/drh/
#
############################################################################
#
# File utilities
#

proc simplify-name {testname args} {
  set i 1
  foreach {path result} $args {
    fossil test-simplify-name $path
    test simplify-name-$testname.$i {$::RESULT=="\[$path\] -> \[$result\]"}
    incr i
  }
}

proc relative-name {testname args} {
  set i 1
  foreach {subdir path result} $args {
    fossil test-relative-name --chdir $subdir $path
    test relative-name-$testname.$i {$::RESULT==$result}
    incr i
  }
}

proc relative-tree-name {testname args} {
  set i 1
  foreach {subdir path result} $args {
    fossil test-tree-name --chdir $subdir $path
    test relative-tree-name-$testname.$i {$::RESULT==$result}
    incr i
  }
}

proc absolute-tree-name {testname args} {
  set i 1
  foreach {subdir path result} $args {
    fossil test-tree-name --chdir $subdir --absolute $path
    test absolute-tree-name-$testname.$i {$::RESULT==$result}
    incr i
  }
}

simplify-name 100 . . .// . .. .. ..///// ..
simplify-name 101 {} {} / / ///////// / ././././ .
simplify-name 102 x x /x /x ///x //x
simplify-name 103 a/b a/b /a/b /a/b a///b a/b ///a///b///// //a/b
simplify-name 104 a/b/../c/ a/c /a/b/../c /a/c /a/b//../c /a/c /a/b/..///c /a/c
simplify-name 105 a/b/../../x/y x/y /a/b/../../x/y /x/y
simplify-name 106 a/b/../../../x/y ../x/y /a/b/../../../x/y /../x/y
simplify-name 107 a/./b/.././../x/y x/y a//.//b//..//.//..//x//y/// x/y

if {$::tcl_platform(os)=="Windows NT"} {
  simplify-name 108 //?/a:/a/b a:/a/b //?/UNC/a/b //a/b //?/ {}
  simplify-name 109 \\\\?\\a:\\a\\b a:/a/b \\\\?\\UNC\\a\\b //a/b \\\\?\\ {}
}

# Those directories are only needed for the testcase being able to "--chdir" to it.
file mkdir test1
file mkdir test1/test2

relative-name 100 . . . test1 [pwd] .. test1 [pwd]/ .. test1 [pwd]/test ../test
relative-name 101 test1/test2 [pwd] ../.. test1/test2 [pwd]/ ../.. test1/test2 [pwd]/test ../../test
relative-name 102 test1 [pwd]/test ../test . [pwd]/file1 ./file1 . [pwd]/file1/file2 ./file1/file2
relative-name 103 . [pwd] .

relative-tree-name 100 . . file1 test1 [pwd] file1 test1 [pwd]/ file1 test1 [pwd]/test file1/test
relative-tree-name 101 test1/test2 [pwd] file1 test1/test2 [pwd]/ file1 test1/test2 [pwd]/test file1/test
relative-tree-name 102 test1 [pwd]/test file1/test . [pwd]/file1 file1/file1 . [pwd]/file1/file2 file1/file1/file2
relative-tree-name 103 . [pwd] file1

set dirname [file normalize [file dirname [pwd]]]

absolute-tree-name 100 . . $dirname test1 [pwd] [pwd] test1 [pwd]/ $dirname/file1 test1 [pwd]/test $dirname/file1/test
absolute-tree-name 101 test1/test2 [pwd] $dirname/file1 test1/test2 [pwd]/ $dirname/file1 test1/test2 [pwd]/test $dirname/file1/test
absolute-tree-name 102 test1 [pwd]/test $dirname/file1/test . [pwd]/file1 $dirname/file1/file1 . [pwd]/file1/file2 $dirname/file1/file1/file2
absolute-tree-name 103 . [pwd] $dirname/file1

catch {file delete test1/test2}
catch {file delete test1}
