upate util
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feacae92ef
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06aefa538a
2 changed files with 52 additions and 17 deletions
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@ -7,6 +7,7 @@
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#include <algorithm>
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#include <cstring>
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#include <iomanip>
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#include <sstream>
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#include <string>
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#include <vector>
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@ -36,18 +37,43 @@ inline std::string urlDecode(const std::string& encoded) {
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}
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// _____________________________________________________________________________
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inline std::string jsonStringEscape(const std::string& unescaped) {
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std::string escaped;
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for (size_t i = 0; i < unescaped.size(); ++i) {
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if (unescaped[i] == '"' || unescaped[i] == '\\') {
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escaped += "\\";
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inline std::string jsonStringEscape(const std::string& unesc) {
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// modified code from
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// http://stackoverflow.com/questions/7724448/simple-json-string-escape-for-c
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std::ostringstream o;
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for (auto c = unesc.cbegin(); c != unesc.cend(); c++) {
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switch (*c) {
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case '"':
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o << "\\\"";
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break;
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case '\\':
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o << "\\\\";
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break;
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case '\b':
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o << "\\b";
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break;
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case '\f':
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o << "\\f";
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break;
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case '\n':
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o << "\\n";
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break;
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case '\r':
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o << "\\r";
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break;
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case '\t':
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o << "\\t";
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break;
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default:
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if ('\x00' <= *c && *c <= '\x1f') {
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o << "\\u" << std::hex << std::setw(4) << std::setfill('0')
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<< static_cast<int>(*c);
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} else {
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o << *c;
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}
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if (iscntrl(unescaped[i])) {
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escaped += " ";
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}
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escaped += unescaped[i];
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}
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return escaped;
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return o.str();
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}
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// _____________________________________________________________________________
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@ -156,15 +182,18 @@ inline size_t prefixEditDist(const std::string& prefix, const std::string& s,
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for (size_t i = 1; i <= len1; i++) {
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for (size_t j = 1; j <= len2; j++) {
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d[i * (len2 + 1) + j] = std::min(std::min(d[(i - 1) * (len2 + 1) + j] + 1, d[i * (len2 + 1) + j - 1] + 1),
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d[(i - 1) * (len2 + 1) + j - 1] + (prefix[i - 1] == s[j - 1] ? 0 : 1));
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d[i * (len2 + 1) + j] = std::min(std::min(d[(i - 1) * (len2 + 1) + j] + 1,
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d[i * (len2 + 1) + j - 1] + 1),
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d[(i - 1) * (len2 + 1) + j - 1] +
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(prefix[i - 1] == s[j - 1] ? 0 : 1));
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}
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}
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// take min of last row
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size_t deltaMin = std::max(std::max(deltaMax + 1, prefix.size()), s.size());
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for (size_t i = 0; i <= len2; i++) {
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if (d[len1 * (len2 + 1) + i] < deltaMin) deltaMin = d[len1 * (len2 + 1) + i];
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if (d[len1 * (len2 + 1) + i] < deltaMin)
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deltaMin = d[len1 * (len2 + 1) + i];
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}
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return deltaMin;
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@ -22,6 +22,7 @@
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#include <vector>
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#include "Server.h"
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#include "util/String.h"
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#include "util/log/Log.h"
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using util::http::Socket;
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using util::http::Queue;
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@ -112,7 +113,12 @@ void HttpServer::handle() {
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answ = Answer("500 Internal Server Error", "500 Internal Server Error");
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}
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try {
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send(connection, &answ);
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} catch (const std::runtime_error& err) {
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LOG(WARN) << err.what();
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}
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close(connection);
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}
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}
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