Boost is a large collection of high-quality libraries intended for use in C++. Boost is free, and is often considered a "second standard library".
6
votes
1answer
126 views
Boost.Spirit UTF-8 string literal parser with escape support
I wrote (as part of a greater work) a Boost.Spirit grammar that would parse string literals, including support for the various escape sequences known from C/C++ (...
4
votes
1answer
39 views
Adding/changing ID3 tags to media files with “artist - title” format
This code puts or changes ID3 tags to media files based on their file names. It assumes the files are in this format:
morbid angel - maze of torment.mp3
The ...
2
votes
1answer
47 views
Boost::pool based STL vector allocator
I wrote an STL allocator which uses boost::pool to allocate the memory for std::vector container.
This is my first time I ...
3
votes
0answers
36 views
Frequent subgraph mining program
I'm trying to make a programme that reads graphs from a .txt file, puts them in a vector, and finally puts the frequent closed graphs in another resulting file.
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5
votes
1answer
84 views
Boost condition variable wrapper
I would like to create a wrapper for a Boost conditional variable:
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11
votes
2answers
70 views
Unit testing with a singly linked list
To hone my skills with C++11, I'm implementing a singly-linked list based on the requirements I found at this link.
I've implemented code that supports the following subset of requirements from the ...
2
votes
1answer
81 views
Program simulating dictionary using file handling - part 2
This is the new version of the dictionary program which I uploaded for reviewing here.
I would be grateful if the program could be reviewed for all the points mentioned in the above link.
...
1
vote
1answer
54 views
boost::spreadsort for std::pair
Boost 1.58 has new library spreadsort, so I tried it out.
I wrote simple sample for sorting vector of pairs of int:
...
2
votes
1answer
60 views
ThreadPool based on ASIO, using a particle emitter
This code exists in my home repo and in general nobody else has really touched it. Living in such a vacuum has left me kind of uncertain of the actual code quality and correctness which is why I am ...
4
votes
1answer
66 views
Distance between angles as points
This code calculates the distance between angles, particularly for n-tuples of angles. One example where this situation occurs is as follows:
I'm using a 2 arms, one 6 degree of freedom and the other ...
3
votes
2answers
121 views
2
votes
1answer
54 views
Two error-reporting conventions for a command-parser
I need to implement some function and I would like to report about a fail made inside a function. If function doesn't fail I need to get a some result (for example, ...
8
votes
1answer
144 views
Implementation of a new kind of smart pointer in C++
I'm tempted to write a new kind of smart pointer which, I believe, is less intrusive than boost::intrusive_ptr and has the same memory footprint.
The code for the ...
4
votes
3answers
136 views
Directory Snapshot
The following code creates a recursive backup of a directory in the form of interlinked HTML files, structured in the same form as the input directory.
It does not take the backup of the contents ...
2
votes
1answer
317 views
Asynchronous connect() with one function call, using C++11 lambdas and Boost.Asio
I've wanted to write a C++11 class for making IPv4 TCP connections and figured that it probably could be done with just one static function using some shared_ptr and lambda "magic". The following code ...
2
votes
0answers
291 views
Multi Server Architecture: ASIO C++
I am working on an application where the user will have flexibility to create and destroy a server instance at any port he/she wishes. User can create multi servers operating simultaneously - each ...
1
vote
0answers
65 views
Template based return type from object and class method
I'm looking for a better implementation of this. The current solution looks bad to me and breaks the VC10 compiler if you call Create() with a method expecting two ...
6
votes
3answers
192 views
Code Generator Generator
I've created a code generator generator, which is hosted here.
I need its parser portion reviewed for OOP, OOD, and C++ best practices.
gengenparser.h
...
5
votes
2answers
320 views
Thread-safe Phoenix Singleton class template with Boost
I've implemented the phoenix-singleton as a class template with boost inspired by Modern C++ Design. The code compiles fine with MSVC 2013 - and it seems to work, but I'm new
to multi-threaded ...
11
votes
2answers
248 views
Elementwise iterator adaptor
There are many C++ implementations of the Euclidean vector. I.e., a vector in what is typically a 3- or 4-dimensional space. Something along the lines of
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7
votes
1answer
375 views
Get extension(s) from path
I'm writing an utility function that returns the extension(s) of a boost::filesystem::path (v3). Boost's path class already has some of this functionality
...
6
votes
2answers
134 views
A reversed-string Trie data structure
This is a simple Trie data structure for strings, except it puts the strings into the structure backwards.
The insert method simply iterates over chars from the string-to-be-inserted backwards, and ...
3
votes
1answer
323 views
Program that handles program options
I'm using boost::program_options to parse input from the user. However, while the standard library makes this an easy task to do, it's causing an (in my opinion) ...
2
votes
0answers
93 views
Wrapping boost accumulators
Here is a namespace for wrapping boost accumulators for use in a broader code base. I love these accumulators but re-typedefing them everywhere is ugly and a pain.
...
2
votes
1answer
191 views
Producer - Consumer interaction
I have an implementation of Producer-Consumer multi-threaded interaction.It works.But I feel that during the execution wait states happen too often between Consumer ...
6
votes
1answer
209 views
Predictive recursive descent parser for math expressions
I've been learning about language theory and parsing, and decided to write my first parser: a LL(1) recursive descent parser. But actually, it does a little more than just expressions; it can also ...
1
vote
1answer
252 views
A class for simple and efficient operations on boost::unordered_set
I wrote this class to perform simple template-set operations on boost::unordered_set. These operations are part of a larger code base. Calling them will be explicit ...
7
votes
1answer
656 views
Portable C++ boost::interprocess::mutex
I was looking for long time around to have a portable robust solution for multiprocessing synchronization. Who touche this things know that good solution are boost::iterprocess named sync objects.
...
5
votes
1answer
290 views
Simple parsing for string formatting (version 2)
This is my second attempt (version 1) at writing a string formatting utility which uses parsing. This time I more explicitly designed it as a finite state machine. I have very little experience with ...
4
votes
1answer
274 views
Simple parsing for string formatting
Recently I submitted some string formatting and printing code (found here) that I wrote as an small exercise. It was implemented naively using string replacement. This time around I wanted to actually ...
10
votes
1answer
348 views
String-formatting and printing functions
As a small exercise I have written some string formatting and printing functions in C++11. I would like a bit of code review, not so much on the merits of using this over something like ...
2
votes
3answers
305 views
Boost::range::for_each + functor
I would like your comments on my code in C++ (C++98 + Boost)
I have written some code to use the functors with the boost::range::for_each algorithm.
My main ...
6
votes
2answers
1k views
Multiple dispatch with variant and multi visitation in C++
The following program is a demonstration of variant and double visitation used to obtain double dispatch between the elements of two inhomogeneous containers. Most of the work is done at compile time. ...
10
votes
1answer
5k views
UDP Network server/client for gaming using boost.asio
I've designed those classes for use in a multiplayer game with possibly very high number of clients for one server. Is this implementation good, or is there something obvious I overlooked or something ...
7
votes
2answers
734 views
Simple and efficient boost::unordered_set intersection
I wrote this function to do unordered_set intersection using templates. I have seen this answer but I thought that is was overkill. I would like the method to take ...
4
votes
1answer
126 views
4
votes
0answers
454 views
Smart pointer memory pool
I'm using a third-party library which utilizes boost::shared_ptr for memory management.
The problem is that I need to allocate many objects and I have detected ...
5
votes
2answers
423 views
Converting data when output std container via ostream_iterator
I have a strongly typed enum and std::vector of this type.
...
4
votes
0answers
119 views
Reading Intervals from command line
I want to parse a command line using boost.program_options. Most of my command line arguments will be intervals, which I could implement as something like ...
11
votes
1answer
492 views
Partitioned Multikey Map
Below is the code for what I've called a partitioned_multitype_map. This has two major facets:
Allowing a lookup based on keys of multiple lengths and of multiple ...
4
votes
1answer
272 views
Boost multi-index based orderbook
As suggested here, I'm using Boost multi-index to implement orderbook. So far my code looks like this:
"CommonsNative.h" contains ...
7
votes
1answer
206 views
Moving method from derived class to base
I've some classes (Derived1, Derived2, etc.) derived from class Base. All of derived classes ...
5
votes
4answers
2k views
Converting std::string to int without Boost
I'm trying to convert an std::string to an int with a default value if the conversion fails. C's ...
3
votes
0answers
466 views
Signal simulation through Python scripts using shared memory for testing a C application
This is bit long, but I need to explain something before I can ask for actual reviews/advice.
I have to test generated C code from Matlab Simulink model. I can create a executable binary from those. ...
6
votes
2answers
4k views
Multithreading C++ loop
I've made a small skeleton for a larger project that will include cross-platform multithreading (by using Boost) and thread-safe random numbers (by using GNU scientific libraries and mutexes). My ...
3
votes
0answers
1k views
Event system using callback functions in C++
I am learning C++ and have been trying to create an event system for use in a small game. This will be the mechanism by which game entities communicate. I would be eternally grateful if someone with ...
6
votes
1answer
610 views
Generic pipe and filters
I made a template pipe and filters to replace an old pipe and filters implementation that used inheritance and had a very heavy base class.
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13
votes
1answer
9k views
Efficient smart pointer implementation in C++
The idea behind this is mainly educational but I might even consider using it in reality if turns out to be good. Here's my first try at implementing smart pointers:
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3
votes
1answer
113 views
Selecting element from a collection based on bitwise-and result
I need to improve this section of code:
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2
votes
1answer
3k views
Boost Threads - Producer Consumer threads with synchronization
Please review this for concurrency correctness:
...
