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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_AUTOFILL_FORM_FIELD_H_
#define CHROME_BROWSER_AUTOFILL_FORM_FIELD_H_
#pragma once
#include <vector>
#include "base/basictypes.h"
#include "base/string16.h"
#include "chrome/browser/autofill/autofill_type.h"
class AutofillField;
class FormStructure;
extern const char kEcmlShipToTitle[];
extern const char kEcmlShipToFirstName[];
extern const char kEcmlShipToMiddleName[];
extern const char kEcmlShipToLastName[];
extern const char kEcmlShipToNameSuffix[];
extern const char kEcmlShipToCompanyName[];
extern const char kEcmlShipToAddress1[];
extern const char kEcmlShipToAddress2[];
extern const char kEcmlShipToAddress3[];
extern const char kEcmlShipToCity[];
extern const char kEcmlShipToStateProv[];
extern const char kEcmlShipToPostalCode[];
extern const char kEcmlShipToCountry[];
extern const char kEcmlShipToPhone[];
extern const char kEcmlShipToEmail[];
// billing name/address fields
extern const char kEcmlBillToTitle[];
extern const char kEcmlBillToFirstName[];
extern const char kEcmlBillToMiddleName[];
extern const char kEcmlBillToLastName[];
extern const char kEcmlBillToNameSuffix[];
extern const char kEcmlBillToCompanyName[];
extern const char kEcmlBillToAddress1[];
extern const char kEcmlBillToAddress2[];
extern const char kEcmlBillToAddress3[];
extern const char kEcmlBillToCity[];
extern const char kEcmlBillToStateProv[];
extern const char kEcmlBillToPostalCode[];
extern const char kEcmlBillToCountry[];
extern const char kEcmlBillToPhone[];
extern const char kEcmlBillToEmail[];
// credit card fields
extern const char kEcmlCardHolder[];
extern const char kEcmlCardType[];
extern const char kEcmlCardNumber[];
extern const char kEcmlCardVerification[];
extern const char kEcmlCardExpireDay[];
extern const char kEcmlCardExpireMonth[];
extern const char kEcmlCardExpireYear[];
enum FormFieldType {
kAddressType,
kCreditCardType,
kOtherFieldType
};
// Represents a logical form field in a web form. Classes that implement this
// interface can identify themselves as a particular type of form field, e.g.
// name, phone number, or address field.
class FormField {
public:
virtual ~FormField() {}
// Associates the available AutofillTypes of a FormField into
// |field_type_map|.
virtual bool GetFieldInfo(FieldTypeMap* field_type_map) const = 0;
// Returns the type of form field of the class implementing this interface.
virtual FormFieldType GetFormFieldType() const;
// Returns true if |field| contains the regexp |pattern| in the name or label.
// If |match_label_only| is true, then only the field's label is considered.
static bool Match(AutofillField* field,
const string16& pattern,
bool match_label_only);
// Parses a field using the different field views we know about. |is_ecml|
// should be true when the field conforms to the ECML specification.
static FormField* ParseFormField(
std::vector<AutofillField*>::const_iterator* field,
bool is_ecml);
// Attempts to parse a text field with the given pattern; returns true on
// success, but doesn't return the actual text field itself.
static bool ParseText(std::vector<AutofillField*>::const_iterator* iter,
const string16& pattern);
// Attempts to parse a text field with the given pattern. Returns true on
// success and fills |dest| with a pointer to the field.
static bool ParseText(std::vector<AutofillField*>::const_iterator* iter,
const string16& pattern,
AutofillField** dest);
// Attempts to parse a text field with an empty name or label. Returns true
// on success and fills |dest| with a pointer to the field.
static bool ParseEmptyText(std::vector<AutofillField*>::const_iterator* iter,
AutofillField** dest);
// Attempts to parse a text field label with the given pattern. Returns true
// on success and fills |dest| with a pointer to the field.
static bool ParseLabelText(std::vector<AutofillField*>::const_iterator* iter,
const string16& pattern,
AutofillField** dest);
// Attempts to parse a control with an empty label.
static bool ParseEmpty(std::vector<AutofillField*>::const_iterator* iter);
// Adds an association between a field and a type to |field_type_map|.
static bool Add(FieldTypeMap* field_type_map, AutofillField* field,
const AutofillType& type);
protected:
// Only derived classes may instantiate.
FormField() {}
// Note: ECML compliance checking has been modified to accommodate Google
// Checkout field name limitation. All ECML compliant web forms will be
// recognized correctly as such however the restrictions on having exactly
// ECML compliant names have been loosened to only require that field names
// be prefixed with an ECML compliant name in order to accommodate checkout.
// Additionally we allow the use of '.' as a word delimiter in addition to the
// ECML standard '_' (see FormField::FormField for details).
static string16 GetEcmlPattern(const char* ecml_name);
static string16 GetEcmlPattern(const char* ecml_name1,
const char* ecml_name2,
char pattern_operator);
private:
static bool ParseText(std::vector<AutofillField*>::const_iterator* iter,
const string16& pattern,
AutofillField** dest,
bool match_label_only);
// For empty strings we need to test that both label and name are empty.
static bool ParseLabelAndName(
std::vector<AutofillField*>::const_iterator* iter,
const string16& pattern,
AutofillField** dest);
DISALLOW_COPY_AND_ASSIGN(FormField);
};
class FormFieldSet : public std::vector<FormField*> {
public:
explicit FormFieldSet(FormStructure* form);
~FormFieldSet() {
for (iterator i = begin(); i != end(); ++i)
delete *i;
}
private:
// Checks if any of the labels are named according to the ECML standard.
// Returns true if at least one ECML named element is found.
bool CheckECML(FormStructure* fields);
DISALLOW_COPY_AND_ASSIGN(FormFieldSet);
};
// Parsing utilities.
namespace autofill {
// Case-insensitive regular expression matching.
// Returns true if |pattern| is found in |input|.
bool MatchString(const string16& input, const string16& pattern);
} // namespace autofill
#endif // CHROME_BROWSER_AUTOFILL_FORM_FIELD_H_
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