[ruby/csv] Organize page Recipes better (#176)

https://github.com/ruby/csv/commit/338b7f0d57

1 files changed, 78 insertions, 47 deletions

diff --git a/doc/csv/recipes.rdoc b/doc/csv/recipes.rdoc
index eda18f6359..1ba3c44350 100644
--- a/doc/csv/recipes.rdoc
+++ b/doc/csv/recipes.rdoc
@@ -1,33 +1,46 @@
 == Recipes
 
 === Contents
-- {Parsing}[#label-Parsing]
-  - {Parse from String Without Headers}[#label-Parse+from+String+Without+Headers]
-  - {Parse from String with Headers}[#label-Parse+from+String+with+Headers]
-  - {Parse from File Without Headers}[#label-Parse+from+File+Without+Headers]
-  - {Parse from File with Headers}[#label-Parse+from+File+with+Headers]
-  - {Parse from IO Stream Without Headers}[#label-Parse+from+IO+Stream+Without+Headers]
-  - {Parse from IO Stream with Headers}[#label-Parse+from+IO+Stream+with+Headers]
-- {Generating}[#label-Generating]
-  - {Generate to String Without Headers}[#label-Generate+to+String+Without+Headers]
-  - {Generate to String with Headers}[#label-Generate+to+String+with+Headers]
-  - {Generate to File Without Headers}[#label-Generate+to+File+Without+Headers]
-  - {Generate to File with Headers}[#label-Generate+to+File+with+Headers]
-  - {Generate to IO Stream Without Headers}[#label-Generate+to+IO+Stream+Without+Headers]
-  - {Generate to IO Stream with Headers}[#label-Generate+to+IO+Stream+with+Headers]
-- {Filtering}[#label-Filtering]
-  - {Filter String to String Without Headers}[#label-Filter+String+to+String+Without+Headers]
-  - {Filter String to String with Headers}[#label-Filter+String+to+String+with+Headers]
-  - {Filter String to IO Stream Without Headers}[#label-Filter+String+to+IO+Stream+Without+Headers]
-  - {Filter String to IO Stream with Headers}[#label-Filter+String+to+IO+Stream+with+Headers]
-  - {Filter IO Stream to String Without Headers}[#label-Filter+IO+Stream+to+String+Without+Headers]
-  - {Filter IO Stream to String with Headers}[#label-Filter+IO+Stream+to+String+with+Headers]
-  - {Filter IO Stream to IO Stream Without Headers}[#label-Filter+IO+Stream+to+IO+Stream+Without+Headers]
-  - {Filter IO Stream to IO Stream with Headers}[#label-Filter+IO+Stream+to+IO+Stream+with+Headers]
-
-=== Parsing
-
-==== Parse from \String Without Headers
+
+- {Parsing: Source Formats}[#label-Parsing-3A+Source+Formats]
+  - {Parse from String}[#label-Parse+from+String]
+    - {Parse from String Without Headers}[#label-Parse+from+String+Without+Headers]
+    - {Parse from String with Headers}[#label-Parse+from+String+with+Headers]
+  - {Parse from File}[#label-Parse+from+File]
+    - {Parse from File Without Headers}[#label-Parse+from+File+Without+Headers]
+    - {Parse from File with Headers}[#label-Parse+from+File+with+Headers]
+  - {Parse from IO Stream}[#label-Parse+from+IO+Stream]
+    - {Parse from IO Stream Without Headers}[#label-Parse+from+IO+Stream+Without+Headers]
+    - {Parse from IO Stream with Headers}[#label-Parse+from+IO+Stream+with+Headers]
+- {Generating: Output Formats}[#label-Generating-3A+Output+Formats]
+  - {Generate to String}[#label-Generate+to+String]
+    - {Generate to String Without Headers}[#label-Generate+to+String+Without+Headers]
+    - {Generate to String with Headers}[#label-Generate+to+String+with+Headers]
+  - {Generate to File}[#label-Generate+to+File]
+    - {Generate to File Without Headers}[#label-Generate+to+File+Without+Headers]
+    - {Generate to File with Headers}[#label-Generate+to+File+with+Headers]
+  - {Generate to IO Stream}[#label-Generate+to+IO+Stream]
+    - {Generate to IO Stream Without Headers}[#label-Generate+to+IO+Stream+Without+Headers]
+    - {Generate to IO Stream with Headers}[#label-Generate+to+IO+Stream+with+Headers]
+- {Filtering: Source and Output Formats}[#label-Filtering-3A+Source+and+Output+Formats]
+  - {Filter String to String}[#label-Filter+String+to+String]
+    - {Filter String to String Without Headers}[#label-Filter+String+to+String+Without+Headers]
+    - {Filter String to String with Headers}[#label-Filter+String+to+String+with+Headers]
+  - {Filter String to IO Stream}[#label-Filter+String+to+IO+Stream]
+    - {Filter String to IO Stream Without Headers}[#label-Filter+String+to+IO+Stream+Without+Headers]
+    - {Filter String to IO Stream with Headers}[#label-Filter+String+to+IO+Stream+with+Headers]
+  - {Filter IO Stream to String}[#label-Filter+IO+Stream+to+String]
+    - {Filter IO Stream to String Without Headers}[#label-Filter+IO+Stream+to+String+Without+Headers]
+    - {Filter IO Stream to String with Headers}[#label-Filter+IO+Stream+to+String+with+Headers]
+  - {Filter IO Stream to IO Stream}[#label-Filter+IO+Stream+to+IO+Stream]
+    - {Filter IO Stream to IO Stream Without Headers}[#label-Filter+IO+Stream+to+IO+Stream+Without+Headers]
+    - {Filter IO Stream to IO Stream with Headers}[#label-Filter+IO+Stream+to+IO+Stream+with+Headers]
+
+=== Parsing: Source Formats
+
+==== Parse from \String
+
+===== Parse from \String Without Headers
 
 \Class method CSV.parse can read a source \String all at once,
 and so may have memory resource implications:
@@ -43,7 +56,7 @@ Output:
   ["bar", "1"]
   ["baz", "2"]
 
-==== Parse from \String with Headers
+===== Parse from \String with Headers
 
 \Class method CSV.parse can read a source \String all at once,
 and so may have memory resource implications:
@@ -59,7 +72,9 @@ Ouput:
   #<CSV::Row "Name":"bar" "Value":"1">
   #<CSV::Row "Name":"baz" "Value":"2">
 
-==== Parse from \File Without Headers
+==== Parse from \File
+
+===== Parse from \File Without Headers
 
 \Class method CSV.read can read a file all at once:
   string = "foo,0\nbar,1\nbaz,2\n"
@@ -76,7 +91,7 @@ Output:
   ["bar", "1"]
   ["baz", "2"]
 
-==== Parse from \File with Headers
+===== Parse from \File with Headers
 
 Instance method CSV#read can reada file all at once:
   string = "Name,Value\nfoo,0\nbar,1\nbaz,2\n"
@@ -93,7 +108,9 @@ Output:
   #<CSV::Row "Name":"bar" "Value":"1">
   #<CSV::Row "Name":"baz" "Value":"2">
 
-==== Parse from \IO Stream Without Headers
+==== Parse from \IO Stream
+
+===== Parse from \IO Stream Without Headers
 
 \Class method CSV.parse can read an \IO stream all at once:
   string = "foo,0\nbar,1\nbaz,2\n"
@@ -114,7 +131,7 @@ Output:
   ["bar", "1"]
   ["baz", "2"]
 
-==== Parse from \IO Stream with Headers
+===== Parse from \IO Stream with Headers
 
 \Class method CSV.parse can read an \IO stream all at once:
   string = "Name,Value\nfoo,0\nbar,1\nbaz,2\n"
@@ -135,7 +152,7 @@ Output:
   #<CSV::Row "Name":"bar" "Value":"1">
   #<CSV::Row "Name":"baz" "Value":"2">
 
-=== Generating
+=== Generating: Output Formats
 
 ==== Generate to \String Without Headers
 
@@ -150,7 +167,9 @@ that are to be generated:
   end
   output_string # => "Foo,0\nBar,1\nBaz,2\n"
 
-==== Generate to \String with Headers
+==== Generate to \String
+
+===== Generate to \String with Headers
 
 \Class method CSV.generate can generate to a \String.
 
@@ -163,7 +182,7 @@ that are to be generated:
   end
   output_string # => "Name,Value\nFoo,0\nBar,1\nBaz,2\n"
 
-==== Generate to \File Without Headers
+===== Generate to \File Without Headers
 
 \Class method CSV.open can generate to a \File.
 
@@ -177,7 +196,9 @@ that are to be generated:
   end
   p File.read(path) # => "Foo,0\nBar,1\nBaz,2\n"
 
-==== Generate to \File with Headers
+==== Generate to \File
+
+===== Generate to \File with Headers
 
 \Class method CSV.open can generate to a \File.
 
@@ -191,7 +212,9 @@ that are to be generated:
   end
   p File.read(path) # => "Name,Value\nFoo,0\nBar,1\nBaz,2\n"
 
-==== Generate to \IO Stream Without Headers
+==== Generate to \IO Stream
+
+===== Generate to \IO Stream Without Headers
 
 \Class method CSV.new can generate \CSV data to an \IO stream:
   path = 't.csv'
@@ -215,12 +238,14 @@ that are to be generated:
   end
   p File.read(path) # => "Name,Value\nFoo,0\nBar,1\nBaz,2\n"
 
-=== Filtering
+=== Filtering: Source and Output Formats
 
 \Class method CSV.filter provides a Unix-style filter for \CSV data.
-The input \CSV data is processed to form output \CSV data.
+The source \CSV data is processed to form output \CSV data.
+
+==== Filter \String to \String
 
-==== Filter \String to \String Without Headers
+===== Filter \String to \String Without Headers
 
   in_string = "foo,0\nbar,1\nbaz,2\n"
   out_string = ''
@@ -230,7 +255,7 @@ The input \CSV data is processed to form output \CSV data.
   end
   out_string # => "FOO,0000\nBAR,1111\nBAZ,2222\n"
 
-==== Filter \String to \String with Headers
+===== Filter \String to \String with Headers
 
   in_string = "Name,Value\nfoo,0\nbar,1\nbaz,2\n"
   out_string = ''
@@ -240,7 +265,9 @@ The input \CSV data is processed to form output \CSV data.
   end
   out_string # => "Name,Value\nFOO,0000\nBAR,1111\nBAZ,2222\n"
 
-==== Filter \String to \IO Stream Without Headers
+==== Filter \String to \IO Stream
+
+===== Filter \String to \IO Stream Without Headers
 
   in_string = "foo,0\nbar,1\nbaz,2\n"
   path = 't.csv'
@@ -252,7 +279,7 @@ The input \CSV data is processed to form output \CSV data.
   end
   p File.read(path) # => "FOO,0000\nBAR,1111\nBAZ,2222\n"
 
-==== Filter \String to \IO Stream with Headers
+===== Filter \String to \IO Stream with Headers
 
   in_string = "Name,Value\nfoo,0\nbar,1\nbaz,2\n"
   path = 't.csv'
@@ -264,7 +291,9 @@ The input \CSV data is processed to form output \CSV data.
   end
   p File.read(path) # => "Name,Value\nFOO,0000\nBAR,1111\nBAZ,2222\n"
 
-==== Filter \IO Stream to \String Without Headers
+==== Filter \IO Stream to \String
+
+===== Filter \IO Stream to \String Without Headers
 
   in_string = "foo,0\nbar,1\nbaz,2\n"
   path = 't.csv'
@@ -278,7 +307,7 @@ The input \CSV data is processed to form output \CSV data.
   end
   out_string # => "FOO,0000\nBAR,1111\nBAZ,2222\n"
 
-==== Filter \IO Stream to \String with Headers
+===== Filter \IO Stream to \String with Headers
 
   in_string = "Name,Value\nfoo,0\nbar,1\nbaz,2\n"
   path = 't.csv'
@@ -292,7 +321,9 @@ The input \CSV data is processed to form output \CSV data.
   end
   out_string # => "Name,Value\nFOO,0000\nBAR,1111\nBAZ,2222\n"
 
-==== Filter \IO Stream to \IO Stream Without Headers
+==== Filter \IO Stream to \IO Stream
+
+===== Filter \IO Stream to \IO Stream Without Headers
 
   in_path = 't.csv'
   in_string = "foo,0\nbar,1\nbaz,2\n"
@@ -308,7 +339,7 @@ The input \CSV data is processed to form output \CSV data.
   end
   p File.read(out_path) # => "FOO,0000\nBAR,1111\nBAZ,2222\n"
 
-==== Filter \IO Stream to \IO Stream with Headers
+===== Filter \IO Stream to \IO Stream with Headers
 
   in_path = 't.csv'
   in_string = "Name,Value\nfoo,0\nbar,1\nbaz,2\n"