| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_AUTOFILL_FORM_FIELD_H_ | |
| 6 #define CHROME_BROWSER_AUTOFILL_FORM_FIELD_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/gtest_prod_util.h" | |
| 12 #include "base/string16.h" | |
| 13 #include "chrome/browser/autofill/autofill_type.h" | |
| 14 | |
| 15 class AutofillField; | |
| 16 class AutofillScanner; | |
| 17 | |
| 18 // Represents a logical form field in a web form. Classes that implement this | |
| 19 // interface can identify themselves as a particular type of form field, e.g. | |
| 20 // name, phone number, or address field. | |
| 21 class FormField { | |
| 22 public: | |
| 23 virtual ~FormField() {} | |
| 24 | |
| 25 // Classifies each field in |fields| with its heuristically detected type. | |
| 26 // The association is stored into |map|. Each field has a derived unique name | |
| 27 // that is used as the key into the |map|. | |
| 28 static void ParseFormFields(const std::vector<AutofillField*>& fields, | |
| 29 FieldTypeMap* map); | |
| 30 | |
| 31 protected: | |
| 32 // A bit-field used for matching specific parts of a field in question. | |
| 33 enum MatchType { | |
| 34 // Attributes. | |
| 35 MATCH_LABEL = 1 << 0, | |
| 36 MATCH_NAME = 1 << 1, | |
| 37 MATCH_VALUE = 1 << 2, | |
| 38 | |
| 39 // Input types. | |
| 40 MATCH_TEXT = 1 << 3, | |
| 41 MATCH_EMAIL = 1 << 4, | |
| 42 MATCH_TELEPHONE = 1 << 5, | |
| 43 MATCH_SELECT = 1 << 6, | |
| 44 MATCH_ALL_INPUTS = | |
| 45 MATCH_TEXT | MATCH_EMAIL | MATCH_TELEPHONE | MATCH_SELECT, | |
| 46 | |
| 47 // By default match label and name for input/text types. | |
| 48 MATCH_DEFAULT = MATCH_LABEL | MATCH_NAME | MATCH_VALUE | MATCH_TEXT, | |
| 49 }; | |
| 50 | |
| 51 // Only derived classes may instantiate. | |
| 52 FormField() {} | |
| 53 | |
| 54 // Attempts to parse a form field with the given pattern. Returns true on | |
| 55 // success and fills |match| with a pointer to the field. | |
| 56 static bool ParseField(AutofillScanner* scanner, | |
| 57 const string16& pattern, | |
| 58 const AutofillField** match); | |
| 59 | |
| 60 // Parses the stream of fields in |scanner| with regular expression |pattern| | |
| 61 // as specified in the |match_type| bit field (see |MatchType|). If |match| | |
| 62 // is non-NULL and the pattern matches, the matched field is returned. | |
| 63 // A |true| result is returned in the case of a successful match, false | |
| 64 // otherwise. | |
| 65 static bool ParseFieldSpecifics(AutofillScanner* scanner, | |
| 66 const string16& pattern, | |
| 67 int match_type, | |
| 68 const AutofillField** match); | |
| 69 | |
| 70 // Attempts to parse a field with an empty label. Returns true | |
| 71 // on success and fills |match| with a pointer to the field. | |
| 72 static bool ParseEmptyLabel(AutofillScanner* scanner, | |
| 73 const AutofillField** match); | |
| 74 | |
| 75 // Adds an association between a field and a type to |map|. | |
| 76 static bool AddClassification(const AutofillField* field, | |
| 77 AutofillFieldType type, | |
| 78 FieldTypeMap* map); | |
| 79 | |
| 80 // Derived classes must implement this interface to supply field type | |
| 81 // information. |ParseFormFields| coordinates the parsing and extraction | |
| 82 // of types from an input vector of |AutofillField| objects and delegates | |
| 83 // the type extraction via this method. | |
| 84 virtual bool ClassifyField(FieldTypeMap* map) const = 0; | |
| 85 | |
| 86 private: | |
| 87 FRIEND_TEST_ALL_PREFIXES(FormFieldTest, Match); | |
| 88 | |
| 89 // Function pointer type for the parsing function that should be passed to the | |
| 90 // ParseFormFieldsPass() helper function. | |
| 91 typedef FormField* ParseFunction(AutofillScanner* scanner); | |
| 92 | |
| 93 // Matches |pattern| to the contents of the field at the head of the | |
| 94 // |scanner|. | |
| 95 // Returns |true| if a match is found according to |match_type|, and |false| | |
| 96 // otherwise. | |
| 97 static bool MatchAndAdvance(AutofillScanner* scanner, | |
| 98 const string16& pattern, | |
| 99 int match_type, | |
| 100 const AutofillField** match); | |
| 101 | |
| 102 // Matches the regular expression |pattern| against the components of |field| | |
| 103 // as specified in the |match_type| bit field (see |MatchType|). | |
| 104 static bool Match(const AutofillField* field, | |
| 105 const string16& pattern, | |
| 106 int match_type); | |
| 107 | |
| 108 // Perform a "pass" over the |fields| where each pass uses the supplied | |
| 109 // |parse| method to match content to a given field type. | |
| 110 // |fields| is both an input and an output parameter. Upon exit |fields| | |
| 111 // holds any remaining unclassified fields for further processing. | |
| 112 // Classification results of the processed fields are stored in |map|. | |
| 113 static void ParseFormFieldsPass(ParseFunction parse, | |
| 114 std::vector<const AutofillField*>* fields, | |
| 115 FieldTypeMap* map); | |
| 116 | |
| 117 DISALLOW_COPY_AND_ASSIGN(FormField); | |
| 118 }; | |
| 119 | |
| 120 #endif // CHROME_BROWSER_AUTOFILL_FORM_FIELD_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 12434004:
Move remaining Autofill code to //components/autofill. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src