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Overview
| Comment: | Modified the checks for wfile/wchan to allow non-existing files which can be created (per permissions). |
|---|---|
| Timelines: | family | ancestors | descendants | both | more-vtypes |
| Files: | files | file ages | folders |
| SHA1: |
9ab661bcd1e433c29ef7a61d00b3bfd8 |
| User & Date: | andreask 2014-02-19 19:39:17 |
Context
|
2014-03-13
| ||
| 18:34 | cmdr::validate::common - Consolidated multiple copies of "OkDir" in cmdr::validate into a single shared helper command "ok-directory". check-in: e7f547d6aa user: andreask tags: more-vtypes | |
|
2014-02-19
| ||
| 19:39 | Modified the checks for wfile/wchan to allow non-existing files which can be created (per permissions). check-in: 9ab661bcd1 user: andreask tags: more-vtypes | |
| 19:11 | Draft code for additional vtypes: Paths, with appropriate open channels as internal rep. check-in: 209bf08a86 user: aku tags: more-vtypes | |
Changes
Changes to validate.tcl.
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proc ::cmdr::validate::wfile::validate {p x} {
debug.cmdr/validate {}
if {[Ok $x]} { return $x }
fail $p WFILE "an existing writable file" $x
}
proc ::cmdr::validate::wfile::Ok {path} {
if {![file exists $path]} {return 0}
if {![file isfile $path]} {return 0}
if {![file writable $path]} {return 0}
return 1
}
# # ## ### ##### ######## ############# #####################
## File, existing and read/writable
namespace eval ::cmdr::validate::rwfile {
namespace export default validate complete release
namespace ensemble create
................................................................................
proc ::cmdr::validate::wchan::validate {p x} {
debug.cmdr/validate {}
if {[Ok $x]} { return [open $x w] }
fail $p WCHAN "an existing writable file" $x
}
proc ::cmdr::validate::wchan::Ok {path} {
if {![file exists $path]} {return 0}
if {![file isfile $path]} {return 0}
if {![file writable $path]} {return 0}
return 1
}
# # ## ### ##### ######## ############# #####################
## Channel, for existing and read/writable file. No default.
namespace eval ::cmdr::validate::rwchan {
namespace export default validate complete release
namespace ensemble create
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proc ::cmdr::validate::wfile::validate {p x} {
debug.cmdr/validate {}
if {[Ok $x]} { return $x }
fail $p WFILE "an existing writable file" $x
}
proc ::cmdr::validate::wfile::Ok {path} {
if {![file exists $path]} {
# The file is allowed to not exist if its directory exists and
# is writable. This can apply recursively up the chain of
# directories.
return [OkDir [file dirname $path]]
}
if {![file isfile $path]} {return 0}
if {![file writable $path]} {return 0}
return 1
}
proc ::cmdr::validate::wfile::OkDir {path} {
if {![file exists $path]} {
# The directory is allowed to not exist if its parent
# directory exists and is writable.
# Note: Block walking up the chain if the directory has no
# parent.
# Note: Switch to absolute notation if path is the relative
# name of the CWD (i.e. ".").
if {$path eq "."} {
set path [pwd]
}
set up [file dirname $path]
if {$up eq $path} {
# Reached root (/, x:, x:/), is missing, stop & fail.
return 0
}
return [OkDir $up]
}
if {![file isdirectory $path]} {return 0}
if {![file writable $path]} {return 0}
return 1
}
# # ## ### ##### ######## ############# #####################
## File, existing and read/writable
namespace eval ::cmdr::validate::rwfile {
namespace export default validate complete release
namespace ensemble create
................................................................................
proc ::cmdr::validate::wchan::validate {p x} {
debug.cmdr/validate {}
if {[Ok $x]} { return [open $x w] }
fail $p WCHAN "an existing writable file" $x
}
proc ::cmdr::validate::wchan::Ok {path} {
if {![file exists $path]} {
# The file is allowed to not exist if its directory exists and
# is writable. This can apply recursively up the chain of
# directories.
return [OkDir [file dirname $path]]
}
if {![file isfile $path]} {return 0}
if {![file writable $path]} {return 0}
return 1
}
proc ::cmdr::validate::wchan::OkDir {path} {
if {![file exists $path]} {
# The directory is allowed to not exist if its parent
# directory exists and is writable.
# Note: Block walking up the chain if the directory has no
# parent.
# Note: Switch to absolute notation if path is the relative
# name of the CWD (i.e. ".").
if {$path eq "."} {
set path [pwd]
}
set up [file dirname $path]
if {$up eq $path} {
# Reached root (/, x:, x:/), is missing, stop & fail.
return 0
}
return [OkDir $up]
}
if {![file isdirectory $path]} {return 0}
if {![file writable $path]} {return 0}
return 1
}
# # ## ### ##### ######## ############# #####################
## Channel, for existing and read/writable file. No default.
namespace eval ::cmdr::validate::rwchan {
namespace export default validate complete release
namespace ensemble create
|