diff options
Diffstat (limited to 'src/clojure/contrib/pprint/examples')
| -rw-r--r-- | src/clojure/contrib/pprint/examples/hexdump.clj | 63 | ||||
| -rw-r--r-- | src/clojure/contrib/pprint/examples/json.clj | 142 | ||||
| -rw-r--r-- | src/clojure/contrib/pprint/examples/multiply.clj | 23 | ||||
| -rw-r--r-- | src/clojure/contrib/pprint/examples/props.clj | 25 | ||||
| -rw-r--r-- | src/clojure/contrib/pprint/examples/show_doc.clj | 50 | ||||
| -rw-r--r-- | src/clojure/contrib/pprint/examples/xml.clj | 117 |
6 files changed, 0 insertions, 420 deletions
diff --git a/src/clojure/contrib/pprint/examples/hexdump.clj b/src/clojure/contrib/pprint/examples/hexdump.clj deleted file mode 100644 index fa5316ec..00000000 --- a/src/clojure/contrib/pprint/examples/hexdump.clj +++ /dev/null @@ -1,63 +0,0 @@ -;;; hexdump.clj -- part of the pretty printer for Clojure - -;; by Tom Faulhaber -;; April 3, 2009 - -; Copyright (c) Tom Faulhaber, Dec 2008. All rights reserved. -; The use and distribution terms for this software are covered by the -; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) -; which can be found in the file epl-v10.html at the root of this distribution. -; By using this software in any fashion, you are agreeing to be bound by -; the terms of this license. -; You must not remove this notice, or any other, from this software. - -;; This example is a classic hexdump program written using cl-format. - -;; For some local color, it was written in Dulles Airport while waiting for a flight -;; home to San Francisco. - -(ns clojure.contrib.pprint.examples.hexdump - (:use clojure.contrib.pprint - clojure.contrib.pprint.utilities) - (:gen-class (:main true))) - -(def *buffer-length* 1024) - -(defn zip-array [base-offset arr] - (let [grouped (partition 16 arr)] - (first (map-passing-context - (fn [line offset] - [[offset - (map #(if (neg? %) (+ % 256) %) line) - (- 16 (count line)) - (map #(if (<= 32 % 126) (char %) \.) line)] - (+ 16 offset)]) - base-offset grouped)))) - - -(defn hexdump - ([in-stream] (hexdump in-stream true 0)) - ([in-stream out-stream] (hexdump [in-stream out-stream 0])) - ([in-stream out-stream offset] - (let [buf (make-array Byte/TYPE *buffer-length*)] - (loop [offset offset - count (.read in-stream buf)] - (if (neg? count) - nil - (let [bytes (take count buf) - zipped (zip-array offset bytes)] - (cl-format out-stream - "~:{~8,'0X: ~2{~8@{~#[ ~:;~2,'0X ~]~} ~}~v@{ ~}~2{~8@{~A~} ~}~%~}" - zipped) - (recur (+ offset *buffer-length*) (.read in-stream buf)))))))) - -(defn hexdump-file - ([file-name] (hexdump-file file-name true)) - ([file-name stream] - (with-open [s (java.io.FileInputStream. file-name)] - (hexdump s)))) - -;; I don't quite understand how to invoke main funcs w/o AOT yet -(defn -main [& args] - (hexdump-file (first args))) - diff --git a/src/clojure/contrib/pprint/examples/json.clj b/src/clojure/contrib/pprint/examples/json.clj deleted file mode 100644 index 3cde1751..00000000 --- a/src/clojure/contrib/pprint/examples/json.clj +++ /dev/null @@ -1,142 +0,0 @@ -;;; json.clj: A pretty printing version of the JavaScript Object Notation (JSON) generator - -;; by Tom Faulhaber, based on the version by Stuart Sierra (clojure.contrib.json.write) -;; May 9, 2009 - -;; Copyright (c) Tom Faulhaber/Stuart Sierra, 2009. All rights reserved. The use -;; and distribution terms for this software are covered by the Eclipse -;; Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) -;; which can be found in the file epl-v10.html at the root of this -;; distribution. By using this software in any fashion, you are -;; agreeing to be bound by the terms of this license. You must not -;; remove this notice, or any other, from this software. - - -(ns - #^{:author "Tom Faulhaber (based on the version by Stuart Sierra)", - :doc "Pretty printing JavaScript Object Notation (JSON) generator. - -This is an example of using a pretty printer dispatch function to generate JSON output", - :see-also [["http://json.org/", "JSON Home Page"]]} - clojure.contrib.pprint.examples.json - (:require [clojure.contrib.java-utils :as j]) - (:use [clojure.test :only (deftest- is)] - [clojure.contrib.pprint :only (write formatter-out)])) - - - -(defmulti dispatch-json - "The dispatch function for printing objects as JSON" - {:arglists '[[x]]} - (fn [x] (cond - (nil? x) nil ;; prevent NullPointerException on next line - (.isArray (class x)) ::array - :else (type x)))) - -;; Primitive types can be printed with Clojure's pr function. -(derive java.lang.Boolean ::pr) -(derive java.lang.Byte ::pr) -(derive java.lang.Short ::pr) -(derive java.lang.Integer ::pr) -(derive java.lang.Long ::pr) -(derive java.lang.Float ::pr) -(derive java.lang.Double ::pr) - -;; Collection types can be printed as JSON objects or arrays. -(derive java.util.Map ::object) -(derive java.util.Collection ::array) - -;; Symbols and keywords are converted to strings. -(derive clojure.lang.Symbol ::symbol) -(derive clojure.lang.Keyword ::symbol) - - -(defmethod dispatch-json ::pr [x] (pr x)) - -(defmethod dispatch-json nil [x] (print "null")) - -(defmethod dispatch-json ::symbol [x] (pr (name x))) - -(defmethod dispatch-json ::array [s] - ((formatter-out "~<[~;~@{~w~^, ~:_~}~;]~:>") s)) - -(defmethod dispatch-json ::object [m] - ((formatter-out "~<{~;~@{~<~w:~_~w~:>~^, ~_~}~;}~:>") - (for [[k v] m] [(j/as-str k) v]))) - -(defmethod dispatch-json java.lang.CharSequence [s] - (print \") - (dotimes [i (count s)] - (let [cp (Character/codePointAt s i)] - (cond - ;; Handle printable JSON escapes before ASCII - (= cp 34) (print "\\\"") - (= cp 92) (print "\\\\") - ;; Print simple ASCII characters - (< 31 cp 127) (print (.charAt s i)) - ;; Handle non-printable JSON escapes - (= cp 8) (print "\\b") - (= cp 12) (print "\\f") - (= cp 10) (print "\\n") - (= cp 13) (print "\\r") - (= cp 9) (print "\\t") - ;; Any other character is printed as Hexadecimal escape - :else (printf "\\u%04x" cp)))) - (print \")) - -(defn print-json - "Prints x as JSON. Nil becomes JSON null. Keywords become - strings, without the leading colon. Maps become JSON objects, all - other collection types become JSON arrays. Java arrays become JSON - arrays. Unicode characters in strings are escaped as \\uXXXX. - Numbers print as with pr." - [x] - (write x :dispatch dispatch-json)) - -(defn json-str - "Converts x to a JSON-formatted string." - [x] - (with-out-str (print-json x))) - - - -;;; TESTS - -;; Run these tests with -;; (clojure.test/run-tests 'clojure.contrib.print-json) - -;; Bind clojure.test/*load-tests* to false to omit these -;; tests from production code. - -(deftest- can-print-json-strings - (is (= "\"Hello, World!\"" (json-str "Hello, World!"))) - (is (= "\"\\\"Embedded\\\" Quotes\"" (json-str "\"Embedded\" Quotes")))) - -(deftest- can-print-unicode - (is (= "\"\\u1234\\u4567\"" (json-str "\u1234\u4567")))) - -(deftest- can-print-json-null - (is (= "null" (json-str nil)))) - -(deftest- can-print-json-arrays - (is (= "[1, 2, 3]" (json-str [1 2 3]))) - (is (= "[1, 2, 3]" (json-str (list 1 2 3)))) - (is (= "[1, 2, 3]" (json-str (sorted-set 1 2 3)))) - (is (= "[1, 2, 3]" (json-str (seq [1 2 3]))))) - -(deftest- can-print-java-arrays - (is (= "[1, 2, 3]" (json-str (into-array [1 2 3]))))) - -(deftest- can-print-empty-arrays - (is (= "[]" (json-str []))) - (is (= "[]" (json-str (list)))) - (is (= "[]" (json-str #{})))) - -(deftest- can-print-json-objects - (is (= "{\"a\":1, \"b\":2}" (json-str (sorted-map :a 1 :b 2))))) - -(deftest- object-keys-must-be-strings - (is (= "{\"1\":1, \"2\":2}" (json-str (sorted-map 1 1 2 2))))) - -(deftest- can-print-empty-objects - (is (= "{}" (json-str {})))) diff --git a/src/clojure/contrib/pprint/examples/multiply.clj b/src/clojure/contrib/pprint/examples/multiply.clj deleted file mode 100644 index c7e33035..00000000 --- a/src/clojure/contrib/pprint/examples/multiply.clj +++ /dev/null @@ -1,23 +0,0 @@ -;;; multiply.clj -- part of the pretty printer for Clojure - -;; by Tom Faulhaber -;; April 3, 2009 - -; Copyright (c) Tom Faulhaber, Dec 2008. All rights reserved. -; The use and distribution terms for this software are covered by the -; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) -; which can be found in the file epl-v10.html at the root of this distribution. -; By using this software in any fashion, you are agreeing to be bound by -; the terms of this license. -; You must not remove this notice, or any other, from this software. - -;; This example prints a multiplication table using cl-format. - -(ns clojure.contrib.pprint.examples.multiply - (:use clojure.contrib.pprint)) - -(defn multiplication-table [limit] - (let [nums (range 1 (inc limit))] - (cl-format true "~{~{~4d~}~%~}" - (map #(map % nums) - (map #(partial * %) nums))))) diff --git a/src/clojure/contrib/pprint/examples/props.clj b/src/clojure/contrib/pprint/examples/props.clj deleted file mode 100644 index 4edb9149..00000000 --- a/src/clojure/contrib/pprint/examples/props.clj +++ /dev/null @@ -1,25 +0,0 @@ -;;; props.clj -- part of the pretty printer for Clojure - -;; by Tom Faulhaber -;; April 3, 2009 - -; Copyright (c) Tom Faulhaber, Dec 2008. All rights reserved. -; The use and distribution terms for this software are covered by the -; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) -; which can be found in the file epl-v10.html at the root of this distribution. -; By using this software in any fashion, you are agreeing to be bound by -; the terms of this license. -; You must not remove this notice, or any other, from this software. - -;; This example displays a nicely formatted table of the java properties using -;; cl-format - -(ns clojure.contrib.pprint.examples.props - (:use clojure.contrib.pprint)) - -(defn show-props [stream] - (let [p (mapcat - #(vector (key %) (val %)) - (sort-by key (System/getProperties)))] - (cl-format true "~30A~A~%~{~20,,,'-A~10A~}~%~{~30A~S~%~}" - "Property" "Value" ["" "" "" ""] p))) diff --git a/src/clojure/contrib/pprint/examples/show_doc.clj b/src/clojure/contrib/pprint/examples/show_doc.clj deleted file mode 100644 index 6bf61585..00000000 --- a/src/clojure/contrib/pprint/examples/show_doc.clj +++ /dev/null @@ -1,50 +0,0 @@ -;;; show_doc.clj -- part of the pretty printer for Clojure - -;; by Tom Faulhaber -;; April 3, 2009 - -; Copyright (c) Tom Faulhaber, Dec 2008. All rights reserved. -; The use and distribution terms for this software are covered by the -; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) -; which can be found in the file epl-v10.html at the root of this distribution. -; By using this software in any fashion, you are agreeing to be bound by -; the terms of this license. -; You must not remove this notice, or any other, from this software. - -;; This example uses cl-format as part of a routine to display all the doc -;; strings and function arguments from one or more namespaces. - -(ns clojure.contrib.pprint.examples.show-doc - (:use clojure.contrib.pprint)) - -(defn ns-list - ([] (ns-list nil)) - ([pattern] - (filter - (if pattern - (comp (partial re-find pattern) name ns-name) - (constantly true)) - (sort-by ns-name (all-ns))))) - -(defn show-doc - ([] (show-doc nil)) - ([pattern] - (cl-format - true - "~:{~A: ===============================================~ - ~%~{~{~a: ~{~a~^, ~}~%~a~%~}~^~%~}~2%~}" - (map - #(vector (ns-name %) - (map - (fn [f] - (let [f-meta (meta (find-var (symbol (str (ns-name %)) (str f))))] - [f (:arglists f-meta) (:doc f-meta)])) - (filter - (fn [a] (instance? clojure.lang.IFn a)) - (sort (map key (ns-publics %)))))) - (ns-list pattern))))) - -(defn create-api-file [pattern out-file] - (with-open [f (java.io.FileWriter. out-file)] - (binding [*out* f] - (show-doc pattern)))) diff --git a/src/clojure/contrib/pprint/examples/xml.clj b/src/clojure/contrib/pprint/examples/xml.clj deleted file mode 100644 index 3a2b9ae8..00000000 --- a/src/clojure/contrib/pprint/examples/xml.clj +++ /dev/null @@ -1,117 +0,0 @@ -;;; xml.clj -- a pretty print dispatch version of prxml.clj -- a compact syntax for generating XML - -;; by Tom Faulhaber, based on the original by Stuart Sierra, http://stuartsierra.com/ -;; May 13, 2009 - -;; Copyright (c) 2009 Tom Faulhaber/Stuart Sierra. All rights reserved. The use and -;; distribution terms for this software are covered by the Eclipse -;; Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) -;; which can be found in the file epl-v10.html at the root of this -;; distribution. By using this software in any fashion, you are -;; agreeing to be bound by the terms of this license. You must not -;; remove this notice, or any other, from this software. - - -;; See function "prxml" at the bottom of this file for documentation. - - -(ns - #^{:author "Tom Faulhaber, based on the original by Stuart Sierra", - :doc "A version of prxml that uses a pretty print dispatch function."} - clojure.contrib.pprint.examples.xml - (:use [clojure.contrib.lazy-xml :only (escape-xml)] - [clojure.contrib.java-utils :only (as-str)] - [clojure.contrib.pprint :only (formatter-out write)] - [clojure.contrib.pprint.utilities :only (prlabel)])) - -(def - #^{:doc "If true, empty tags will have a space before the closing />"} - *html-compatible* false) - -(def - #^{:doc "The number of spaces to indent sub-tags."} - *prxml-indent* 2) - -(defmulti #^{:private true} print-xml-tag (fn [tag attrs content] tag)) - -(defmethod print-xml-tag :raw! [tag attrs contents] - (doseq [c contents] (print c))) - -(defmethod print-xml-tag :comment! [tag attrs contents] - (print "<!-- ") - (doseq [c contents] (print c)) - (print " -->")) - -(defmethod print-xml-tag :decl! [tag attrs contents] - (let [attrs (merge {:version "1.0" :encoding "UTF-8"} - attrs)] - ;; Must enforce ordering of pseudo-attributes: - ((formatter-out "<?xml version=\"~a\" encoding=\"~a\"~@[ standalone=\"~a\"~]?>") - (:version attrs) (:encoding attrs) (:standalone attrs)))) - -(defmethod print-xml-tag :cdata! [tag attrs contents] - ((formatter-out "<[!CDATA[~{~a~}]]>") contents)) - -(defmethod print-xml-tag :doctype! [tag attrs contents] - ((formatter-out "<[!DOCTYPE [~{~a~}]]>") contents)) - -(defmethod print-xml-tag :default [tag attrs contents] - (let [tag-name (as-str tag) - xlated-attrs (map #(vector (as-str (key %)) (as-str (val %))) attrs)] - (if (seq contents) - ((formatter-out "~<~<<~a~1:i~{ ~:_~{~a=\"~a\"~}~}>~:>~vi~{~_~w~}~0i~_</~a>~:>") - [[tag-name xlated-attrs] *prxml-indent* contents tag-name]) - ((formatter-out "~<<~a~1:i~{~:_ ~{~a=\"~a\"~}~}/>~:>") [tag-name xlated-attrs])))) - - -(defmulti xml-dispatch class) - -(defmethod xml-dispatch clojure.lang.IPersistentVector [x] - (let [[tag & contents] x - [attrs content] (if (map? (first contents)) - [(first contents) (rest contents)] - [{} contents])] - (print-xml-tag tag attrs content))) - -(defmethod xml-dispatch clojure.lang.ISeq [x] - ;; Recurse into sequences, so we can use (map ...) inside prxml. - (doseq [c x] (xml-dispatch c))) - -(defmethod xml-dispatch clojure.lang.Keyword [x] - (print-xml-tag x {} nil)) - -(defmethod xml-dispatch String [x] - (print (escape-xml x))) - -(defmethod xml-dispatch nil [x]) - -(defmethod xml-dispatch :default [x] - (print x)) - - -(defn prxml - "Print XML to *out*. Vectors become XML tags: the first item is the - tag name; optional second item is a map of attributes. - - Sequences are processed recursively, so you can use map and other - sequence functions inside prxml. - - (prxml [:p {:class \"greet\"} [:i \"Ladies & gentlemen\"]]) - ; => <p class=\"greet\"><i>Ladies & gentlemen</i></p> - - PSEUDO-TAGS: some keywords have special meaning: - - :raw! do not XML-escape contents - :comment! create an XML comment - :decl! create an XML declaration, with attributes - :cdata! create a CDATA section - :doctype! create a DOCTYPE! - - (prxml [:p [:raw! \"<i>here & gone</i>\"]]) - ; => <p><i>here & gone</i></p> - - (prxml [:decl! {:version \"1.1\"}]) - ; => <?xml version=\"1.1\" encoding=\"UTF-8\"?>" - [& args] - (doseq [arg args] (write arg :dispatch xml-dispatch)) - (when (pos? (count args)) (newline))) |