X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=csv.mli;h=14901e48120b68715cb95f83b9bb65a21fa85a75;hb=3a2b495714080c9f72b89cada8bc45b22768a059;hp=b35e480d02095df213ff583be629a6ac8533014f;hpb=bc6c67f15be43d270d859cbe6ba5dc31e5b9a44b;p=ocaml-csv.git diff --git a/csv.mli b/csv.mli index b35e480..14901e4 100644 --- a/csv.mli +++ b/csv.mli @@ -1,6 +1,6 @@ (** csv.mli - comma separated values parser * - * $Id: csv.mli,v 1.5 2005-05-24 13:52:50 rich Exp $ + * $Id: csv.mli,v 1.10 2006-11-24 15:49:24 rich Exp $ *) type t = string list list @@ -26,6 +26,7 @@ val load_in : ?separator:char -> in_channel -> t val load : ?separator:char -> string -> t (** Load a CSV file. * @param filename CSV filename. + * If [filename] is ["-"] then load from [stdin]. *) val load_rows : ?separator:char -> (string list -> unit) -> in_channel -> unit @@ -69,7 +70,63 @@ val square : t -> t (** Make the CSV data "square" (actually rectangular). This pads out * each row with empty cells so that all rows are the same length as * the longest row. After this operation, every row will have length - * {!columns}. + * {!Csv.columns}. + *) + +val is_square : t -> bool +(** Return true iff the CSV is "square" (actually rectangular). This + * means that each row has the same number of cells. + *) + +val set_columns : int -> t -> t +(** [set_columns cols csv] makes the CSV data square by forcing the width + * to the given number of [cols]. Any short rows are padded with blank + * cells. Any long rows are truncated. + *) + +val set_rows : int -> t -> t +(** [set_rows rows csv] makes the CSV data have exactly [rows] rows + * by adding empty rows or truncating rows as necessary. + * + * Note that [set_rows] does not make the CSV square. If you want it + * to be square, call either {!Csv.square} or {!Csv.set_columns} after. + *) + +val set_size : int -> int -> t -> t +(** [set_size rows cols csv] makes the CSV data square by forcing the + * size to [rows * cols], adding blank cells or truncating as necessary. + * It is the same as calling [set_columns cols (set_rows rows csv)] + *) + +val sub : int -> int -> int -> int -> t -> t +(** [sub r c rows cols csv] returns a subset of [csv]. The subset is + * defined as having top left corner at row [r], column [c] (counting + * from [0]) and being [rows] deep and [cols] wide. + * + * The returned CSV will be square. + *) + +val compare : t -> t -> int +(** Compare two CSV files for equality, ignoring blank cells at the end + * of a row, and empty rows appended to one or the other. This is + * "semantic" equality - roughly speaking, the two CSV files would + * look the same if opened in a spreadsheet program. + *) + +val concat : t list -> t +(** Concatenate CSV files so that they appear side by side, arranged + * left to right across the page. Each CSV file (except the final + * one) is first squared. + * + * (To concatenate CSV files so that they appear from top to bottom, + * just use {!List.concat}). + *) + +val to_array : t -> string array array +val of_array : string array array -> t +(** Convenience functions to convert to and from a matrix representation. + * [to_array] will produce a ragged matrix (not all rows will have the + * same length) unless you call {!Csv.square} first. *) val associate : string list -> t -> (string * string) list list @@ -93,7 +150,7 @@ val associate : string list -> t -> (string * string) list list * etc. ] * v} * - * Each row is turned into an assoc list (see {!List.assoc}). + * Each row is turned into an assoc list (see [List.assoc]). * * If a row is too short, it is padded with empty cells ([""]). If * a row is too long, it is truncated. @@ -121,9 +178,10 @@ val save : ?separator:char -> string -> t -> unit val print_readable : t -> unit (** Print the CSV data to [stdout] in a human-readable format. Not much * is guaranteed about how the CSV is printed, except that it will be - * easier to follow than a "raw" output done with {!print}. This is + * easier to follow than a "raw" output done with {!Csv.print}. This is * a one-way operation. There is no easy way to parse the output of * this command back into CSV data. *) val save_out_readable : out_channel -> t -> unit -(** As for {!print_readable}, allowing the output to be sent to a channel. *) +(** As for {!Csv.print_readable}, allowing the output to be sent to a channel. + *)