open-source-parsers/jsoncpp

Provide facility for large arrays to be output over long multiple lines

Open

#335 opened on Aug 20, 2015

View on GitHub
 (2 comments) (0 reactions) (0 assignees)C++ (7,542 stars) (2,602 forks)batch import
enhancementhelp wanted

Description

When you have a large array (let's say 1000 integers) that needs to be written out, it will be written out one int per line. It would be very useful to be able to specify how many items (or a max line length) are output per line to improve formatting and remove the need for a lot of CR's

e.g, with a max items per line of 10

{ "array" : [ 0,1,2,3,4,5,6,7,8,9 10,11,12,13,14,15,16,17,18,19 20,21,22,23,24,25,26,27,28,29 ], }

Contributor guide

Tech stack
cpp
Domain
toolingdeveloper experience
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60
Research direction
The issue requests adding an option to limit the number of array items printed per line. To implement, look at the existing output classes (e.g., `StreamWriter` in `src/lib json/json writer.cpp`). The array writing loop (likely in `writeArray()`) currently prints each element on a new line. Add a member variable for max items per line, and modify the loop to insert a newline after every N items. Consider adding a setter method. Check for existing similar options like indentation width to follow the same design pattern. Ensure the feature is documented.