File UriBraces.h

File List > arduino > libraries > ext > WebServer > uri > UriBraces.h

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#pragma once

#include "Uri.h"

class UriBraces : public Uri {

  public:
    explicit UriBraces(const char *uri) : Uri(uri){};
    explicit UriBraces(const String &uri) : Uri(uri){};

    Uri *clone() const override final {
        return new UriBraces(_uri);
    };

    void initPathArgs(std::vector<String> &pathArgs) override final {
        int numParams = 0, start = 0;
        do {
            start = _uri.indexOf("{}", start);
            if (start > 0) {
                numParams++;
                start += 2;
            }
        } while (start > 0);
        pathArgs.resize(numParams);
    }

    bool canHandle(const String &requestUri, std::vector<String> &pathArgs) override final {
        if (Uri::canHandle(requestUri, pathArgs))
            return true;

        size_t uriLength             = _uri.length();
        unsigned int pathArgIndex    = 0;
        unsigned int requestUriIndex = 0;
        for (unsigned int i = 0; i < uriLength; i++, requestUriIndex++) {
            char uriChar        = _uri[i];
            char requestUriChar = requestUri[requestUriIndex];

            if (uriChar == requestUriChar)
                continue;
            if (uriChar != '{')
                return false;

            i += 2; // index of char after '}'
            if (i >= uriLength) {
                // there is no char after '}'
                pathArgs[pathArgIndex] = requestUri.substring(requestUriIndex);
                return pathArgs[pathArgIndex].indexOf("/") == -1; // path argument may not contain a '/'
            } else {
                char charEnd = _uri[i];
                int uriIndex = requestUri.indexOf(charEnd, requestUriIndex);
                if (uriIndex < 0)
                    return false;
                pathArgs[pathArgIndex] = requestUri.substring(requestUriIndex, uriIndex);
                requestUriIndex        = (unsigned int)uriIndex;
            }
            pathArgIndex++;
        }

        return requestUriIndex >= requestUri.length();
    }
};