DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (66531295716a)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsINIParserImpl.h"

#include "nsINIParser.h"
#include "nsStringEnumerator.h"
#include "nsTArray.h"
#include "mozilla/Attributes.h"

class nsINIParserImpl final : public nsIINIParser, public nsIINIParserWriter {
  ~nsINIParserImpl() {}

 public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIINIPARSER
  NS_DECL_NSIINIPARSERWRITER

  nsresult Init(nsIFile* aINIFile) { return mParser.Init(aINIFile); }

 private:
  nsINIParser mParser;
  bool ContainsNull(const nsACString& aStr);
};

NS_IMPL_ISUPPORTS(nsINIParserFactory, nsIINIParserFactory, nsIFactory)

NS_IMETHODIMP
nsINIParserFactory::CreateINIParser(nsIFile* aINIFile, nsIINIParser** aResult) {
  *aResult = nullptr;

  RefPtr<nsINIParserImpl> p(new nsINIParserImpl());

  if (aINIFile) {
    nsresult rv = p->Init(aINIFile);
    if (NS_FAILED(rv)) {
      return rv;
    }
  }

  p.forget(aResult);
  return NS_OK;
}

NS_IMETHODIMP
nsINIParserFactory::CreateInstance(nsISupports* aOuter, REFNSIID aIID,
                                   void** aResult) {
  if (NS_WARN_IF(aOuter)) {
    return NS_ERROR_NO_AGGREGATION;
  }

  // We are our own singleton.
  return QueryInterface(aIID, aResult);
}

NS_IMETHODIMP
nsINIParserFactory::LockFactory(bool aLock) { return NS_OK; }

NS_IMPL_ISUPPORTS(nsINIParserImpl, nsIINIParser, nsIINIParserWriter)

bool nsINIParserImpl::ContainsNull(const nsACString& aStr) {
  return aStr.CountChar('\0') > 0;
}

static bool SectionCB(const char* aSection, void* aClosure) {
  nsTArray<nsCString>* strings = static_cast<nsTArray<nsCString>*>(aClosure);
  strings->AppendElement()->Assign(aSection);
  return true;
}

NS_IMETHODIMP
nsINIParserImpl::GetSections(nsIUTF8StringEnumerator** aResult) {
  nsTArray<nsCString>* strings = new nsTArray<nsCString>;

  nsresult rv = mParser.GetSections(SectionCB, strings);
  if (NS_SUCCEEDED(rv)) {
    rv = NS_NewAdoptingUTF8StringEnumerator(aResult, strings);
  }

  if (NS_FAILED(rv)) {
    delete strings;
  }

  return rv;
}

static bool KeyCB(const char* aKey, const char* aValue, void* aClosure) {
  nsTArray<nsCString>* strings = static_cast<nsTArray<nsCString>*>(aClosure);
  strings->AppendElement()->Assign(aKey);
  return true;
}

NS_IMETHODIMP
nsINIParserImpl::GetKeys(const nsACString& aSection,
                         nsIUTF8StringEnumerator** aResult) {
  if (ContainsNull(aSection)) {
    return NS_ERROR_INVALID_ARG;
  }

  nsTArray<nsCString>* strings = new nsTArray<nsCString>;

  nsresult rv =
      mParser.GetStrings(PromiseFlatCString(aSection).get(), KeyCB, strings);
  if (NS_SUCCEEDED(rv)) {
    rv = NS_NewAdoptingUTF8StringEnumerator(aResult, strings);
  }

  if (NS_FAILED(rv)) {
    delete strings;
  }

  return rv;
}

NS_IMETHODIMP
nsINIParserImpl::GetString(const nsACString& aSection, const nsACString& aKey,
                           nsACString& aResult) {
  if (ContainsNull(aSection) || ContainsNull(aKey)) {
    return NS_ERROR_INVALID_ARG;
  }

  return mParser.GetString(PromiseFlatCString(aSection).get(),
                           PromiseFlatCString(aKey).get(), aResult);
}

NS_IMETHODIMP
nsINIParserImpl::SetString(const nsACString& aSection, const nsACString& aKey,
                           const nsACString& aValue) {
  if (ContainsNull(aSection) || ContainsNull(aKey) || ContainsNull(aValue)) {
    return NS_ERROR_INVALID_ARG;
  }

  return mParser.SetString(PromiseFlatCString(aSection).get(),
                           PromiseFlatCString(aKey).get(),
                           PromiseFlatCString(aValue).get());
}

NS_IMETHODIMP
nsINIParserImpl::WriteFile(nsIFile* aINIFile) {
  return mParser.WriteToFile(aINIFile);
}