package dose3

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Basic comparison operations for packages
Specialized data structures for CUDF packages
Data structures
Extended function on Cudf data types
Functions to encode and decode strings.
Additional functions on the CUDF data types.
Formatting, printing, converting to string.

package dose3

dose3.algo
- Dose_algo
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    GmlPrinter
    
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  - Depsolver
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    S
  - Strongdeps
dose3.common
- Dose_common
  - CudfAdd
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    M
    
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    projection
  - VersionInfo
dose3.versioning
- Dose_versioning
  - Debian
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  - SemverNode
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Library of additional functions for the CUDF format.

Basic comparison operations for packages

val equal : Cudf.package -> Cudf.package -> bool

Equality test: two CUDF packages are equal if their names and versions are equal.

val compare : Cudf.package -> Cudf.package -> int

Compare function: compares two CUDF packages using standard CUDF comparison operator (i.e. comparing by their name and version).

Specialized data structures for CUDF packages

val hash : Cudf.package -> int

A hash function for CUDF packages, using only their name and version.

val sort : ?asc:bool -> Cudf.package list -> Cudf.package list

Sort function: sorts a CUDF packages list using the standard CUDF comparison operator in ascending order.

Data structures

module Cudf_hashtbl : Stdlib.Hashtbl.S with type key = Cudf.package

Specialized hashtable for CUDF packages.

module Cudf_set : Stdlib.Set.S with type elt = Cudf.package

Specialized set data structure for CUDF packages.

val to_set : Cudf_set.elt list -> Cudf_set.t

Convert a list of CUDF packages to a set of CUDF packages.

Extended function on Cudf data types

val who_provides : Cudf.universe -> Cudf_types.vpkg -> Cudf.package list

Return the list of packages that that respect the given constraint

val resolve_deps : Cudf.universe -> Cudf_types.vpkglist -> Cudf.package list

Return the list of packages satisfying the vpkg list

val who_depends : Cudf.universe -> Cudf.package -> Cudf.package list list

Returns the list of packages that are dependencies of the given package

type ctable = (int, int list Stdlib.ref) ExtLib.Hashtbl.t

A table to associate to each id the list of packages id that are in conflict with it. Reflexive conflicts are made explicit.

val init_conflicts : Cudf.universe -> ctable

Create a ctable from a package universe

val who_conflicts : 
  ctable ->
  Cudf.universe ->
  Cudf.package ->
  Cudf.package list

Return the list of packages in conflict with the given package

val resolve_vpkg_int : Cudf.universe -> Cudf_types.vpkg -> int list

Like who_provides but returns a list of cudf ids

val resolve_vpkgs_int : Cudf.universe -> Cudf_types.vpkglist -> int list

Like resolve_deps but returns a list of cudf ids

Functions to encode and decode strings.

val encode : string -> string

Encode a string.

Replaces all the "not allowed" characters with their ASCII code (in hexadecimal format), prefixed with a '%' sign.

Only "allowed" characters are letters, numbers and these: @/+().-, all the others are replaced.

Examples:

encode "ab" = "ab"
encode "|" = "%7c"
encode "a|b" = "a%7cb"

val decode : string -> string

Decode a string. Opposite of the encode function.

Replaces all the encoded "not allowed" characters in the string by their original (i.e. not encoded) versions.

Examples:

decode "ab" = "ab"
decode "%7c" = "|"
decode "a%7cb" = "a|b"

Additional functions on the CUDF data types.

val latest : ?n:int -> Cudf.package list -> Cudf.package list

Returns a list of packages containing for each package n most recent version (default the latest version)

module StringSet : Stdlib.Set.S with type elt = ExtLib.String.t

Set of strings

val pkgnames : Cudf.universe -> StringSet.t

Returns the set of all names in the given universe

val add_properties : Cudf.preamble -> Cudf_types.typedecl -> Cudf.preamble

Add a new property to the given cudf preamble

val get_property : string -> Cudf.package -> string

return the value of the requested property. * emit a warning and raise Not_found if the property does not exist

val is_essential : Cudf.package -> bool

Returns true if the package is essential, that is the cudf package has a extra property named "essential" and its value is "yes"

val realversionmap : 
  Cudf.package list ->
  (Cudf_types.pkgname * string, Cudf.package) ExtLib.Hashtbl.t

build a hash table that associates (package name, String version) to CUDF packages

val pkgtoint : Cudf.universe -> Cudf.package -> int

Return the unique cudf id of a package in a universe

val inttopkg : Cudf.universe -> int -> Cudf.package

Given a universe and a cudf id returns the corresponding package. Raise Not_found if the id does not correspond to a package.

val compute_pool : Cudf.universe -> int list list array * int list array

val add_to_package_list : 
  ('a, 'b list Stdlib.ref) ExtLib.Hashtbl.t ->
  'a ->
  'b ->
  unit

val get_package_list : 
  ('a, 'b list Stdlib.ref) ExtLib.Hashtbl.t ->
  'a ->
  'b list

val normalize_set : int list -> int list

normalize_set l returns the list l without any duplicate element.

val is_nan_version : int -> bool

Check if a CUDF version is nan

val nan_version : int

Version constant for impossible constraint

Formatting, printing, converting to string.

val string_of : (Stdlib.Format.formatter -> 'a -> 'b) -> 'a -> string

val pp_version : Stdlib.Format.formatter -> Cudf.package -> unit

val pp_package : Stdlib.Format.formatter -> Cudf.package -> unit

val string_of_version : Cudf.package -> string

return a string containg either the value of the optional field "number" or the cudf version

val string_of_package : Cudf.package -> string

return a string of the form "name ( = version)"

type pp =
  Cudf.package ->
  string * string option * string * (string * (string * bool)) list

val pp : 
  ((Cudf_types.pkgname * Cudf_types.version) ->
    string * string option * string) ->
  ?fields:string list ->
  ?decode:(Cudf_types.pkgname -> string) ->
  pp

pp ?decode from_cudf pkg package pretty printer. from_cudf a function that gets a (name,cudfversion) pair and returns a (name,realversion). ?fields additional fields to print. ?decode a function that decode the package name and version.

returns : a pair (name,versiom,property list)

note that if the package has version less then 0, then the version is printed as "nan"

val default_pp : pp

default_pp default package printer. Extracts string values from a cudf package : Name, Version, Fields. Where Fields is a list of field name , value pairs . If the version of the package is a negative number, the version version if printed as "nan".

val pp_vpkg : pp -> Stdlib.Format.formatter -> Cudf_types.vpkg -> unit

cudf vpkglist printer.

val pp_vpkglist : pp -> Stdlib.Format.formatter -> Cudf_types.vpkglist -> unit

cudf vpkglist printer.

val cone : Cudf.universe -> Cudf.package list -> Cudf.package list

Compute the depenency cone of a list of packages