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			744d0f7a3a
			...
			e4e27d421a
		
	
		
					 10 changed files with 53 additions and 229 deletions
				
			
		
							
								
								
									
										3
									
								
								.gitignore
									
										
									
									
										vendored
									
									
								
							
							
						
						
									
										3
									
								
								.gitignore
									
										
									
									
										vendored
									
									
								
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					@ -2,6 +2,3 @@
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*.d
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					*.d
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*a.out*
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					*a.out*
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build
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					build
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.cache/
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words.txt
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compile_commands.json
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										2
									
								
								Makefile
									
										
									
									
									
								
							
							
						
						
									
										2
									
								
								Makefile
									
										
									
									
									
								
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					@ -1,2 +0,0 @@
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format:
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	find . -regex '.*\.\(c\|cpp\|cc\|cxx\|h\|hpp\|hh\|hxx\)' -exec clang-format {} +
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					@ -1,24 +0,0 @@
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CXX = g++
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CXXFLAGS = -g3 -Werror -Wall -Wpedantic -Wunused-variable -std=c++17
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SRC = $(wildcard *.cc)
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OBJ = $(SRC:.cc=.o)
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all: spell edit $(OBJ)
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edit: test_edit_distance.o edit_distance.o
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	@echo "Building & linking $@"
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	@$(CXX) $(CXXFLAGS) $^ -o $@
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spell: spell.o word.o dictionary.o
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	@echo "Building & linking $@"
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	@$(CXX) $(CXXFLAGS) $^ -o $@
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%.o:%.cc
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	@echo "Building $@"
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	@$(CXX) -c $(CXXFLAGS) $< -o $@
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clean:
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	rm -f *.o spell edit
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.PHONY: clean
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					@ -1,82 +1,22 @@
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#include "dictionary.h"
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#include "word.h"
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#include <algorithm>
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#include <filesystem>
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#include <fstream>
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#include <iostream>
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					 | 
				
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#include <string>
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					#include <string>
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#include <vector>
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					#include <vector>
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					#include <fstream>
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					#include <iostream>
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					#include <algorithm>
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					#include "word.h"
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					#include "dictionary.h"
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using std::string;
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					using std::string;
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using std::vector;
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					using std::vector;
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// using std::filesystem::path;
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Dictionary::Dictionary() {}
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					Dictionary::Dictionary() {
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bool Dictionary::contains(const string &word) const { return true; }
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vector<string> Dictionary::get_suggestions(const string &word) const {
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    vector<string> suggestions;
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    // add_trigram_suggestions(suggestions, word);
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					 | 
				
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    // rank_suggestions(suggestions, word);
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    // trim_suggestions(suggestions);
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    return suggestions;
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}
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					}
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// Function to generate trigrams from a string
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					bool Dictionary::contains(const string& word) const {
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std::vector<std::string> get_trigrams(const std::string &text) {
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						return true;
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    std::vector<std::string> trigrams;
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    if (text.size() < 3) {
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        return trigrams; // Return an empty vector if the input is too short
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    }
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    for (size_t i = 0; i <= text.size() - 3; ++i) {
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        trigrams.push_back(
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					 | 
				
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            text.substr(i, 3)); // Extract a substring of length 3
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    }
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    return trigrams;
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}
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					}
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int Dictionary::spit(path p) {
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					vector<string> Dictionary::get_suggestions(const string& word) const {
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    std::ofstream file(p);
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						vector<string> suggestions;
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						return suggestions;
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    if (!file.is_open()) {
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        std::cerr << "Error opening file! " << std::endl;
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        return 1;
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    }
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    for (int a = 0; a < 25; a++) {
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        for (auto &word : words[a]) {
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            std::vector<std::string> trias = get_trigrams(word.get_word());
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            file << word << " " << trias.size();
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            for (auto tria : trias) {
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                file << " " << tria;
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            }
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            file << std::endl;
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        }
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    }
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    file.flush();
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					 | 
				
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    file.close();
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    return 0;
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}
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int Dictionary::slurp(path p) {
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    std::ifstream file(p.string());
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    if (!file.is_open()) {
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        std::cerr << "Error opening file! " << std::endl;
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        return 1;
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    }
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    std::string line;
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    while (std::getline(file, line)) {
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        words[line.size()].push_back(Word(line, get_trigrams(line)));
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    }
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    file.close();
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    return 0;
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}
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					}
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					@ -1,24 +1,15 @@
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#ifndef DICTIONARY_H
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					#ifndef DICTIONARY_H
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#define DICTIONARY_H
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					#define DICTIONARY_H
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#include "word.h"
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#include <filesystem>
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					 | 
				
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#include <string>
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					#include <string>
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#include <vector>
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					#include <vector>
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using std::vector;
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using std::filesystem::path;
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class Dictionary {
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					class Dictionary {
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  public:
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					public:
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    Dictionary();
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						Dictionary();
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    bool contains(const std::string &word) const;
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						bool contains(const std::string& word) const;
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    std::vector<std::string> get_suggestions(const std::string &word) const;
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						std::vector<std::string> get_suggestions(const std::string& word) const;
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    int slurp(path p);
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					private:
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    int spit(path p);
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  private:
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    vector<Word> words[25];
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};
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					};
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#endif
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					#endif
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					@ -1,35 +0,0 @@
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#include <iostream>
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#include <vector>
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#include <string>
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#include <algorithm>
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int edit_distance(const std::string& s1, const std::string& s2) {
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    size_t m = s1.size();
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    size_t n = s2.size();
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    // Create a 2D DP table
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    std::vector<std::vector<int>> dp(m + 1, std::vector<int>(n + 1));
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    // Fill the base cases
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    for (size_t i = 0; i <= m; ++i)
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        dp[i][0] = i; // Deletion cost
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    for (size_t j = 0; j <= n; ++j)
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        dp[0][j] = j; // Insertion cost
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    // Fill the DP table
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    for (size_t i = 1; i <= m; ++i) {
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        for (size_t j = 1; j <= n; ++j) {
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            if (s1[i - 1] == s2[j - 1]) {
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                dp[i][j] = dp[i - 1][j - 1]; // No operation needed
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            } else {
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                dp[i][j] = 1 + std::min({dp[i - 1][j],     // Deletion
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                                         dp[i][j - 1],     // Insertion
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                                         dp[i - 1][j - 1]  // Substitution
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                                        });
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            }
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        }
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    }
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    return dp[m][n];
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}
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					@ -1,18 +0,0 @@
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#include <algorithm>
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#include <iostream>
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#include <string>
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#include <vector>
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/**
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					 | 
				
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 * @brief Computes the edit distance (Levenshtein distance) between two strings.
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					 | 
				
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 *
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					 | 
				
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 * The edit distance is defined as the minimum number of single-character edits
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					 | 
				
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 * (insertions, deletions, or substitutions) required to transform one string into the other.
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					 | 
				
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 *
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 * This implementation uses dynamic programming to compute the distance efficiently.
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 *
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 * @param s1 The first string.
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					 | 
				
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 * @param s2 The second string.
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					 | 
				
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 * @return The edit distance between the two strings.
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					 | 
				
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 */
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int edit_distance(const std::string& s1, const std::string& s2);
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					@ -1,17 +1,18 @@
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#include "dictionary.h"
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					 | 
				
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#include <cctype>
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					 | 
				
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#include <filesystem>
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					 | 
				
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#include <iostream>
 | 
					#include <iostream>
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#include <string>
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					#include <string>
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					#include <algorithm>
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#include <vector>
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					#include <vector>
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					#include <cctype>
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					#include "dictionary.h"
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					using std::string;
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					using std::vector;
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using std::cin;
 | 
					using std::cin;
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using std::cout;
 | 
					using std::cout;
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using std::endl;
 | 
					using std::endl;
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using std::string;
 | 
					 | 
				
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using std::vector;
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					 | 
				
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 | 
					
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void check_word(const string &word, const Dictionary &dict) {
 | 
					void check_word(const string& word, const Dictionary& dict)
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 | 
					{
 | 
				
			||||||
    if (dict.contains(word)) {
 | 
					    if (dict.contains(word)) {
 | 
				
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        cout << "Correct." << endl;
 | 
					        cout << "Correct." << endl;
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    } else {
 | 
					    } else {
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| 
						 | 
					@ -20,22 +21,18 @@ void check_word(const string &word, const Dictionary &dict) {
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            cout << "Wrong, no suggestions." << endl;
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					            cout << "Wrong, no suggestions." << endl;
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        } else {
 | 
					        } else {
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            cout << "Wrong. Suggestions:" << endl;
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					            cout << "Wrong. Suggestions:" << endl;
 | 
				
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            for (const auto &w : suggestions) {
 | 
					            for (const auto& w : suggestions) {
 | 
				
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                cout << "    " << w << endl;
 | 
					                cout << "    " << w << endl;
 | 
				
			||||||
            }
 | 
					            }
 | 
				
			||||||
        }
 | 
					        }
 | 
				
			||||||
    }
 | 
					    }
 | 
				
			||||||
}
 | 
					}
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 | 
					 | 
				
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int main() {
 | 
					int main() {
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    Dictionary dict;
 | 
						Dictionary dict;
 | 
				
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    string word;
 | 
						string word;
 | 
				
			||||||
    dict.slurp(std::filesystem::path("/usr/share/dict/words"));
 | 
						while (cin >> word) {
 | 
				
			||||||
    // dict.spit(std::filesystem::path("words.txt"));
 | 
							transform(word.begin(), word.end(), word.begin(), ::tolower);
 | 
				
			||||||
 | 
					        check_word(word, dict);
 | 
				
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    // while (cin >> word) {
 | 
						}
 | 
				
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    //     transform(word.begin(), word.end(), word.begin(), ::tolower);
 | 
					 | 
				
			||||||
    //     check_word(word, dict);
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					 | 
				
			||||||
    // }
 | 
					 | 
				
			||||||
    return 0;
 | 
					    return 0;
 | 
				
			||||||
}
 | 
					}
 | 
				
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| 
						 | 
					
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										34
									
								
								lab2/word.cc
									
										
									
									
									
								
							
							
						
						
									
										34
									
								
								lab2/word.cc
									
										
									
									
									
								
							| 
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					@ -1,34 +1,16 @@
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#include "word.h"
 | 
					 | 
				
			||||||
#include <algorithm>
 | 
					 | 
				
			||||||
#include <string>
 | 
					#include <string>
 | 
				
			||||||
#include <vector>
 | 
					#include <vector>
 | 
				
			||||||
 | 
					#include "word.h"
 | 
				
			||||||
 | 
					
 | 
				
			||||||
using std::string;
 | 
					 | 
				
			||||||
using std::vector;
 | 
					using std::vector;
 | 
				
			||||||
 | 
					using std::string;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
Word::Word(const string &w, const vector<string> &t) : word(w), triagrams(t) {
 | 
					Word::Word(const string& w, const vector<string>& t) {}
 | 
				
			||||||
    std::sort(triagrams.begin(), triagrams.end());
 | 
					
 | 
				
			||||||
 | 
					string Word::get_word() const {
 | 
				
			||||||
 | 
						return string();
 | 
				
			||||||
}
 | 
					}
 | 
				
			||||||
 | 
					
 | 
				
			||||||
string Word::get_word() const { return string(); }
 | 
					unsigned int Word::get_matches(const vector<string>& t) const {
 | 
				
			||||||
 | 
						return 0;
 | 
				
			||||||
unsigned int Word::get_matches(const vector<string> &t) const {
 | 
					 | 
				
			||||||
    unsigned int matches = 0;
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
    for (const auto &triagram : t) {
 | 
					 | 
				
			||||||
        if (std::binary_search(triagrams.begin(), triagrams.end(), triagram)) {
 | 
					 | 
				
			||||||
            ++matches;
 | 
					 | 
				
			||||||
        }
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
    return matches;
 | 
					 | 
				
			||||||
}
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
std::ostream &operator<<(std::ostream &out, const Word &w) {
 | 
					 | 
				
			||||||
    auto space = string(" ");
 | 
					 | 
				
			||||||
    out << w.word;
 | 
					 | 
				
			||||||
    out << space;
 | 
					 | 
				
			||||||
    for (const auto &tria : w.triagrams) {
 | 
					 | 
				
			||||||
        out << space << tria;
 | 
					 | 
				
			||||||
    }
 | 
					 | 
				
			||||||
    return out;
 | 
					 | 
				
			||||||
}
 | 
					}
 | 
				
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| 
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 | 
				
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										34
									
								
								lab2/word.h
									
										
									
									
									
								
							
							
						
						
									
										34
									
								
								lab2/word.h
									
										
									
									
									
								
							| 
						 | 
					@ -1,25 +1,21 @@
 | 
				
			||||||
#pragma once
 | 
					#ifndef WORD_H
 | 
				
			||||||
 | 
					#define WORD_H
 | 
				
			||||||
 | 
					
 | 
				
			||||||
#include <string>
 | 
					#include <string>
 | 
				
			||||||
#include <vector>
 | 
					#include <vector>
 | 
				
			||||||
 | 
					
 | 
				
			||||||
/*
 | 
					 | 
				
			||||||
 * Contains a word and its triagrams
 | 
					 | 
				
			||||||
 */
 | 
					 | 
				
			||||||
class Word {
 | 
					class Word {
 | 
				
			||||||
  public:
 | 
					public:
 | 
				
			||||||
    /** Creates a word w with the sorted trigrams t */
 | 
						/* Creates a word w with the sorted trigrams t */
 | 
				
			||||||
    Word(const std::string &w, const std::vector<std::string> &t);
 | 
						Word(const std::string& w, const std::vector<std::string>& t);
 | 
				
			||||||
 | 
						
 | 
				
			||||||
    /** Returns the word */
 | 
						/* Returns the word */
 | 
				
			||||||
    std::string get_word() const;
 | 
						std::string get_word() const;
 | 
				
			||||||
 | 
						
 | 
				
			||||||
    /** Returns how many of the trigrams in t that are present
 | 
						/* Returns how many of the trigrams in t that are present
 | 
				
			||||||
     in this word's trigram vector */
 | 
						 in this word's trigram vector */
 | 
				
			||||||
    unsigned int get_matches(const std::vector<std::string> &t) const;
 | 
						unsigned int get_matches(const std::vector<std::string>& t) const;
 | 
				
			||||||
 | 
					private:
 | 
				
			||||||
  private:
 | 
					 | 
				
			||||||
    const std::string word;
 | 
					 | 
				
			||||||
    const std::vector<std::string> triagrams;
 | 
					 | 
				
			||||||
    friend std::ostream &operator<<(std::ostream &out, const Word &o);
 | 
					 | 
				
			||||||
};
 | 
					};
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					#endif
 | 
				
			||||||
| 
						 | 
					
 | 
				
			||||||
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