Parsing is the process of analysing a string of symbols, either in natural language or in computer languages, conforming to the rules of a formal grammar.
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votes
0answers
15 views
Parser for a custom scene definition format for a raytracer
For a raytracer I’ve been writing with a classmate, we use a custom scene definition format that allows specifying shapes, composite shapes, materials, lights, cameras and transform and render ...
7
votes
0answers
24 views
#TODO Remove duplication in XML parsing
I have to modify the number of points in this XML in order to test the performance of another program of mine. Here is an example of the XML I have to modify.
performance.xml:
...
2
votes
2answers
97 views
Effective way to handle multiple time string to timestamp
I have 4 cases of time string as follow:
s = "July 5, 2016, 12:04 a.m."
s = "July 5, 2016, 7 a.m."
s = "July 5, 2016, midnight."
s = "July 5, 2016, noon."
I want to convert string to timestamps....
7
votes
1answer
58 views
Fraction or integer parser
Question
How can the following implementation of fractionParse be made
less ugly? (Preserving unreduced numerators and denominators is supposed to be a feature---...
4
votes
2answers
74 views
Mathematical input parser
I made a simple math expressions solver that using a "for" loop iterates over all the characters and stores the numbers and signs in std::vector.
It give support for unlimited parentheses and does ...
2
votes
1answer
121 views
PHP web crawler
I'm working on a "nice" crawler that start with one URL, and find the other URLs to process each page, a kind of "Google" crawler, to index pages.
I worked hard on this crawler to respect many points ...
5
votes
2answers
42 views
Splitting a CAN bus log in .asc format
I've written a quick script for a coworker to split a large CAN log into smaller chunks. (If you're not familiar with CAN, it's a communication protocol used by the ECUs in many cars.) I know where ...
1
vote
1answer
51 views
Math expression parser in JavaScript
I've written the second iteration of my math expression parser, utilising what I learned from the first attempt to make a more reliable, maintainable piece of code.
If anybody wants to see the first ...
1
vote
1answer
25 views
Vim command parser
I have a parser which consumes an ordered list of tokens (based on Vim's command grammar) and returns either:
an error object, or
an object that can be directly ...
1
vote
1answer
39 views
Parsing and executing a simple shell script
I'm writing a simple shell and want to parse and execute a simple shell script.
...
1
vote
1answer
85 views
Type converter framework (v2)
This is the second version of my type converter framework.
The the previous one can be found here: Type creator service & framework
In this version I mostly implemented what @Dmitry Nogin ...
3
votes
2answers
62 views
Type creator service & framework
I needed a mechanism for creating types dynamicaly from strings and bytes etc.
I tried really hard to use the .net's TypeConverter system as it seemed to be the ...
4
votes
1answer
25 views
Parsing Gaussian09 frequency calculations, reformatting depending on desired output
Quite similar to my earlier review this script parses a frequency calculation and reformats the found values to either fit into one row for easier importing into a spreadsheet software or a formatted ...
2
votes
0answers
114 views
Binary protocol variability V3.0
Summary: Parsing an incoming stream of events from a binary communication protocol, if we have some variations in devices to support and would not like to have one huge switch to include everything.
...
6
votes
1answer
38 views
Quoted string parser
I have written a string parser that is designed to split a string by spaces, excluding spaces wrapped in strings.
Here is some example inputs and outputs:
...
2
votes
2answers
14 views
Resolve dependencies from output of PBS queueing system
I have written a script, that reformats the output of qstat -f1 of the PBS queueing system. Unfortunately this project is by far too big to post here complete, also ...
4
votes
2answers
39 views
Parsing Gaussian 09 output for energy statement on one or more files and reformat it to a table
I am a computational chemist working with the program Gaussian 09. After I manually check the output(s) I want to create a summary for easier processing of the obtained values. Also avoid opening all ...
5
votes
2answers
113 views
Simple Tokenizer + Parser
Requirements
A function is needed, that is able to parse a list of symbols with the following rules:
Symbols may be associated with numbers or not.
Numbers are defined by a comma separed list ...
1
vote
0answers
29 views
Shortcode parser in Javascript
I've written a naive shortcode parser in JS that parses shortcodes akin to those found in Wordpress. The intention is for this to be used in realtime on the client in order to preview edits on the ...
3
votes
1answer
23 views
Mathematical equation syntax tree
I'm writing these pieces of code to parse expressions in the context of a dice rolling application for DnD. It's pretty much my first try using TypeScript and I'm ...
0
votes
0answers
3 views
Most performant filtering method for nested XML using Google Apps Script
Assuming a theoretical XML hierarchical file exported from an analysis tool thus:
...
7
votes
3answers
180 views
ini file parser in C++
Please review my ini file parser (and potentially some general config file formats).
The data structure used is a section, see below. Does that seem a good approach?
I was wondering about the name. ...
2
votes
2answers
68 views
Enum for converting between field naming conventions
Based on this question and this answer, I decided to try the enum approach to do some more conversions I need in my application. This time I required to convert between the different field naming ...
3
votes
2answers
100 views
Parsing a string with named sections and a key-value pair on each line
I have a response String as shown below which I need to parse it and store it my class. Format is shown below:
task name followed by this dotted line -------------...
1
vote
1answer
66 views
FIRST and FOLLOW sets calculator in Haskell
I found myself wanting to brush up on some notions about parsers and grammars and, at the same time, to exercise my Haskell - I am a Haskell newbie; moreover, I haven't touched the language at all in ...
2
votes
2answers
51 views
Shell command-line interpreter with pipeline parsing
Like many others I've been writing a shell command-line interpreter that can do a pretty decent pipeline parsing, first it splits the command at pipeline char (|), then it splits the substring at ...
2
votes
1answer
46 views
Pen-and-Paper Dice Roller Tool
A friend asked me to write a pen-and-paper dice roller, so I put this together. I'm still pretty new to Java Swing, so I was hoping I could have some advice on how I handled the layouts and everything,...
2
votes
0answers
32 views
PEG parser generator
I wrote a Python PEG parser generator that takes a grammar as a string, and returns a parser. The parser can parse its own syntax, and is feature complete with the original PEG paper, with some ...
4
votes
4answers
316 views
Data type detection for a CSV file parser
I am building a CSV file parser, and in order to get the appropriate Object to represent different data types found on the parsed files, I wrote the following function:
...
2
votes
1answer
143 views
Delimited file parser
This is some code I've cobbled together that reads a delimited file. If the user is able to tell us some stuff about the file, it uses the supplied information. Otherwise, it tries to work stuff out ...
2
votes
1answer
69 views
Parsing a string containing arithmetic operations in prefix notation
This is a piece from the complete program.
What it does is parses mathematical expressions of the form (+(*3,x),5) to 3*x + 5 ...
4
votes
1answer
28 views
recursive descent parser
Here is a non-predictive recursive descent parser I wrote for the following grammar:
...
5
votes
1answer
69 views
run command pipeline in C
This code parses and tokenizes my shell language command interpreter. I will try and make it 2 functions, one that is the tokenizer and the other that is the rest of the function. Can you find ...
2
votes
1answer
67 views
Parsing in between of brackets
I do parsing of the string in order to find wrapped sub-string inside brackets of the first level. a+(b+(d-g))+g+d, in this case I will need to separate ...
7
votes
2answers
77 views
Parsing 4 Million Filenames
This is the next step in my project to query Companies House records. The first step, retrieving and validating the company numbers to be targeted, was covered here and I will include that code at the ...
0
votes
1answer
82 views
Tokenizing a shell command
I want to handle input like the following
ls -al | awk '{print $1}'
Now to parse it I couldn't tokenize at whitespace because of the quotations and I had to make ...
0
votes
2answers
48 views
Extracting data from a string
I created a method that takes a string value with a fixed length of 9 characters and extracts three values, house (4 characters), ...
1
vote
1answer
48 views
Parsing US addresses without regular expression for performance
Looking for some constructive feedback on Parsing an Address without using Regular Expression in C# for performance purposes.
My aim is to clean the data and to separate it into its respective ...
1
vote
1answer
157 views
Parsing .PLY file using F#
I'm fairly new to F# and have written a program to parse PLY files - this is however done in an imperative way with mutable values and as far as I know that should be avoided in functional languages.
...
4
votes
2answers
104 views
Parse HTML to modify it
I'm using the following code to parse html, This code is working but since I'm new to JavaScript and working in alone project I would appreciate if you can give me some tips and feedback how can I ...
2
votes
1answer
26 views
tcl script to parse C++ source code for type identifiers
Experimenting with vera++ to validate some C++ source files.
https://bitbucket.org/verateam/vera/wiki/Home
vera++ is expandable by providing your own rules in tcl. To interface with the vera++ parser ...
2
votes
1answer
111 views
Loading data from a text file into the database as fast as possible
I'm building a Django (1.8.12) application that parses a .bc3 file (Standard Interchange Format for Databases of Construction and Real State) and loads all the data into the database (PostgreSQL 9.3.9)...
3
votes
1answer
68 views
Parsing speech out of text
I'm working on an experiment to parse speech out of an emote in a text roleplaying game (MUD) so that if you can't hear it correctly, or if it's in a different language, you won't understand it. This ...
4
votes
2answers
109 views
Parsing a string as fast as possible that is using comma delimiters
I have made a simple static parser for a bigger program. This parser takes a string that has comma deliminators and I need to separate the strings in to a vector for handling in a different section of ...
2
votes
1answer
31 views
Read group of keywords from file, modify value, store new group to variable
I would like to use the following routine in my submission script for GAMESS calculations. I am not entirely sure if this is the optimum way to go.
This function would need one of the messaging ...
4
votes
1answer
47 views
Extend API of complex source-code parsing CPAN module
I am working on a source line parser using PPI. After working a while, I realized that
it would be nice if the PPI API had ...
2
votes
1answer
39 views
Simplified error handling when reading from stdin and parsing to a type
I've recently started learning Rust, and I've managed to whip up this function, which reads and parses a thing from stdin. I don't like it though, and I feel it ...
5
votes
1answer
55 views
`read` re-implemented for Int's
I have written a safe read function for haskell (for education!). I think this is fairly idiomatic haskell code, but I'd like to know for sure. If you see anything else that could be improved, please ...
2
votes
1answer
42 views
Getting the program's first argument as a number
I want to get the first argument as a number, if there is any. This does not feel quite right, but I don't know yet what the Rust way would be.
I'm not searching for a args-framework or something, I ...
2
votes
1answer
33 views
Java class that parses Shoutcast stats XML
I have written a Java class that parses Shoutcast 2 stats XML. It uses JDOM to parse the XML. I have only basic knowledge of Java and I wrote this class in about 3 hours. It works, but I don't know if ...
