TW448377B - Browser with automatic filtering web pages and its browsing method - Google Patents

Abstract

It is a kind of browser with automatic filtering web pages and its browsing method that can save much time and money of downloading for users. According to this browsing method of automatic filtering web pages, it first needs to provide a browser when downloading web pages by HTTP protocol, and uses this browser to link to visited web pages to fetch responding data of visited web pages including status line, physical head and physical text. Then, it re-analyses the first three characters of status line to confirm receiving of responding data, and analyze physical head and physical text to confirm character sets used by visited web pages. And, users can determine if the browser used now supports character sets used by visited web pages or not to decide if it continues to download visited web pages.

Description

.448377 V. Description of the invention (1) The present invention relates to a pan browser that automatically filters web pages and automatically filters out existing web pages when opening web pages, thereby saving a large number of downloads. One. Users can browse through various information that they want to know. But the limitations of prime. For example, what character set is used for traditional interviewed web pages. Therefore, if this browser has no collection, the downloaded webpage will waste the download time and cost of the user after downloading. At present, there are more and more browser pages, but traditionally based on the phone platform set and cannot support other characters. set. The character set is composed, so these pages make use of non-English character sets. In view of this, when the browser of the main filtering webpage of the present invention and its Liulangfang page 'automatically filter out the current Liulan and save a lot of download time and To filter the web browser and its viewers time and money for the above and other purposes. According to such an auto-browser ', and in particular, a method for displaying data, a character set that cannot be supported by a browser using the HTTp protocol, time and money. The road has become the most important browser for transmitting messages. The speed at which you get your own Internet on the Internet has been affected by several browsers. When you open a web page, no matter (Chinese, English, ...), it will be supported simultaneously. The characters used on the webpages displayed are garbled. This situation will not only use ’but also cause a lot of inconvenience. Although the browser that can support the use of various character sets can still only support English characters and ‘many webpages are non-English users, there is still a considerable opportunity. After downloading, I see a bunch of garbled characters. The main purpose is to propose a method that can be used to automatically open a web page that uses the HTTP protocol to open a character set that cannot be supported by the Internet. ‘The present invention proposes an automatic method’, which saves users a large number of downloading methods.

Page 4 448377 V. Description of the invention (2) When downloading a webpage using the HTTP protocol, first provide a browser, and use this browser to link to the visited webpage, so as to obtain the response data of the visited webpage, including the status line and the entity header. And entity text. Then, analyze the first three characters of the status line to confirm the receipt of the response data, and analyze the entity header and entity body to confirm the character set used by the interviewed web page. Then, the user can determine whether the current browser can support the character set used by the visited webpage, so as to decide whether to continue the downloading action of the visited webpage. In addition, in order to achieve the above and other objectives, the present invention also provides a browser capable of automatically filtering web pages, which is characterized by a main control module, a status line analysis module, and a physical head analysis module. When downloading a webpage using the HTTP protocol, the main control module will link to the visited webpage and obtain the response data of the visited webpage, including the status line, entity header, and entity body. The status line analysis module analyzes the status line of the visited web pages and confirms the receipt of response data. The physical header analysis module analyzes the physical headers of the visited web pages, determines the character set used by the visited web pages, and if the current browser cannot support it, the user decides whether to perform subsequent download actions. In order to make the above and other objects, features, and advantages of the present invention more comprehensible, a preferred embodiment is given below in conjunction with the accompanying drawings to make a detailed description as follows: Description of the drawings FIG. 1 is the invention Implementation flowchart of the main control module in the method for automatically filtering webpages; FIG. 2 is an implementation flowchart of the status line analysis module in the method for automatically filtering webpages according to the present invention; and 4 48 3 /? Explanation (3) FIG. 3 is a flowchart of the implementation of the entity head analysis module in the method for automatically filtering a webpage of the present invention. Embodiment According to the HTTP protocol, when a user wants to open a visited webpage on a web server, a GET, 1 or " POST " command is usually sent to this web server to obtain the content of the visited webpage. The web server will send the response data of the visited webpage back to the client based on the source of the "GET" or "POST" command. The response data usually contains three parts: the status line, the entity header, and the entity body. And there may be a message in the ‘Entity Header and Entity Body’ to indicate the character set used by the visited webpage. Therefore, the present invention uses the analysis of the entity header and the entity text to determine the character set used by the visited web page. When the character set used by the interviewed webpage can be supported by the current browser, continue to download the interviewed webpage ^ Conversely, it is up to the user to decide whether to continue downloading the interviewed webpage. The following is a detailed description of the embodiments of the present invention. In this embodiment, to achieve the function of automatically filtering the webpage, three modules are provided in the browser, a main control module, a status line analysis module, and a head analysis module. The main control module will link the interviewed webpage to obtain the response data of the interviewed webpage when the webpage is opened using the Ηττρ protocol, and the ship's bow and entity text will be included. The status line analysis module will status the line to confirm whether the response data is received correctly. Fen's website will analyze the physical head and entity body of the interviewed web page, analyze the character set used by the module, and give the user the right to decide whether to continue downloading in the current browser helmet. In other cases, it will also be 4483 in the browser. 5. Explanation of the invention (4) Set three Boo lean variables to record the status line and the analysis status of the entity header / entity body: bStatusLineGot, bEntityHeaderGot, bCon t inueVisit. bStatusLineGot is a variable that records whether the status line is obtained, EntityHeaderGot is a variable that records whether the entity header is obtained, and Cont inueVisit is a variable that records whether the user continues to access the web page. Fig. 1 is an implementation flowchart of the main control module in the method for automatically filtering webpages of the present invention. The main control module is to link the interviewed webpage to obtain the status line, entity header and entity text of the interviewed webpage when the webpage is opened using the HTTp protocol. In step S 1-1, when the user opens the webpage using the HTTP protocol, the main control module will get the status line (bStatusLineGot), the entity header (bEnt i tyiieaderGot), The state of continuing to access the webpage (bContinueVisit) is preset to false (0), false (0), and true (1), respectively, and then step S1-2 is performed. In step S1-2, the main control module receives the URL address of the visited webpage input by the user, and then executes step S3. In step S1-3, the main control module obtains the IP address of the web server where the visited webpage is located according to the entered URL address, and then performs step S4. In step S 1-4, the main control module sends a link request to the web server where the visited webpage is located according to the obtained IP address, and executes step S1-5.

Page 7 Apricot 483 7 χ

V. Description of the invention (5) θ In steps S 1-5, the main control module judges whether the connection with the web server 1 is successful. If the connection is successful, execute step s 丨 _6, otherwise execute S1-1 4 to end the main control module. In step S6, the main control module constructs the "get: POST" command according to the Ηττρ agreement to obtain the content of the visited webpage, and then executes the step. In step S1-7, the main control module will " The GET " or ,, p〇ST " command is sent to the web server where the webpage is located, and then steps s 丨 _8 are performed. • In steps S 1-8, the main control module determines whether the web server has responded. Data return. The response data usually includes a status line, entity header, and entity body. 6 If there is a response data return, perform steps S1 _9, otherwise, perform step S1 3 to interrupt the connection with the web server. In step S 1- 9 ΐ 'The main control module will receive the response data returned by the web server, and then execute step Sl-10. In steps S 1-10, the main control module will send the response data to the status line analysis module (Explained below) and a physical head analysis module to analyze the character set used by the visited webpage, and set the dialog box to return the decision to continue downloading the webpage to the user when the current browser cannot support the character set. . Then execute step S1-1 1 In step S1-11, the main control module determines whether the user wants to continue downloading the webpage. If the user wants to continue downloading the webpage, execute step SI-1 2; otherwise, execute step S1-1 3 to interrupt the web server In step S 1-12, the main control module will download and display this part of the webpage according to the user's consent, and return to step after the downloading of this part of the webpage is completed.

In 4837, the description of the invention (6) steps S1-8, so as to determine whether the web server still has data to return. In step S1-13, the main control module will interrupt the connection with the web server 'and then execute steps S1-14 to end the main control module. In steps S 1 to 14, the main control module is ended. Fig. 2 is a flowchart of the implementation of the 'state line analysis module' in the method for automatically filtering web pages of the present invention. The status line analysis module is used to analyze the status line of the visited web page and identify the receipt of response data. In step S2-1, the status line analysis module first obtains the data to be analyzed and processed, that is, the response data returned by the web server, and then executes step S2-2. In step S2-2, the status line analysis module determines whether all status lines have been obtained. If all status lines have been obtained, step S2-3 is performed, otherwise steps S 2-9 are performed to end the status line analysis module. In step S2-3, the status line analysis module sets the status of the status line to true (bStatusLineGot = 1), and then executes step S2-4. In step S2-4, the status line analysis module obtains the first three characters of the status line, and then executes step S2-5. In step S2-5, the status line analysis module converts these three characters into decimal integers, that is, the status code ', and then executes step S2_6. In step S2-6, the status line analysis module determines whether the status code is correct (whether it is 2G0). If the status code is correct, it indicates that there is no problem with the reception of the status line. You can continue to perform steps S 2-7 to analyze the physical header; otherwise, it indicates that there is a problem with the reception of the status line.

4483 Five 'invention description (7) --- In step S2-7, the status line analysis module enters the entity head analysis module (explained below) to analyze the entity header and the entity text, and then executes step S2-9 to End the status line analysis module. In step S 2-8, the status line analysis module will display the error message φ ,, # Set the status of the webpage to continue to access to false (bCo nt 丨 nu ens 丨 t = ㈧ ^, then execute step S2-9 to end the status line Analysis module. In step S2-9, the status line analysis module is ended and returned to the main control module. Figure 3 is the implementation flowchart of the entity head analysis module in the method for automatically filtering a webpage of the present invention. Entity The header analysis module is used to analyze the physical header and physical body of the interviewed webpage, so as to determine the sub-character set used by the interviewed webpage, and give the decision whether to continue downloading to the use if the current browser cannot support it In step S3-1, the 'Entity Head Analysis Module' will first obtain the data to be analyzed, that is, the response data returned by the website servlet, and then execute steps S 3-2 〇 In step S3-2 'The entity header analysis module will determine whether all entity headers have been obtained. If not all entity headers have been obtained, step 33_3 is performed, otherwise step S3-1 3 is performed to analyze the entity text (such as a traditional browser). In step S3-3 Entity Head Analysis The team will determine whether there is a physical header in the response data. If there is a physical header in the response data, execute step S3_4 to obtain this entity header, otherwise execute step s3_14 to end the entity header analysis module. In step S3-4, the entity header The analytics module will get the

V. Description of the invention (8) The entity head 'then executes step S3-5. In step S3-5, the entity header analysis module determines whether there is a message in the entity header to indicate the character set used by the visited webpage. If there is a message in the entity header to indicate the character set used by the visited webpage, step S3-6 is performed, otherwise step S3-11 is performed to determine whether all the entity header data has been obtained. In step S3-6, the entity header analysis module determines whether the character set used by the visited webpage is a character set supported by the browser. If the character set used by the interviewed webpage is a character set that cannot be supported by the profiler, step S3-7 is performed to prompt the user to decide whether to continue the download action, otherwise, step S3-11 is performed to determine whether the entity header data is Already got it. In step S3-7, the entity head analysis module prompts that the character set used by the visited webpage is not a character set supported by the browser, and asks the user whether to continue downloading the webpage, and then performs step S3-8. In step S3-8, the entity head analysis module obtains whether the user has finally downloaded the web page. If the user decides to stop the action of downloading the webpage, then step S3-9 is performed to set the state of continuing to access the webpage (bContinueVisit) as false and the step S3-14 is executed to end the entity head analysis module, otherwise step S3-1 0 is performed. Set the status of continuing to access the webpage to true ° In step S3-9, the entity head analysis module will set the status of continuing to access the webpage to false. In step S3-1 〇, the entity head analysis module will set the state of continuing to access the webpage to true.

S, .1 B3 'V. Description of the invention (9) b In step S3-11, the entity header analysis module will determine whether all the entity header data has been obtained. If all the entity header data have been obtained, go to step 3 12 to set the entity head to know the state (bEntityHeaderGot) is true '; otherwise, execute steps S3- 1 4 to end the entity head analysis module. ^ In step s 3-13, the 'body head analysis module analyzes the body text to determine the character set used by the interviewed webpage, and then executes step 53_14 to end the body head analysis module. The action of step S3-13 is the same as that of the traditional browser, so it will not be described in detail. In step S3-14 ', the entity head analysis module is ended and returned to the main control module. In summary, the browser of the present invention that can automatically filter webpages and their browsers can automatically filter webpages with character sets that cannot be supported by the current browser when the webpage is opened using the HTTP protocol, thereby saving a large amount of download time and phone charges. . According to this browser that can automatically filter webpages, when downloading webpages using the τττρ protocol, the 'master control module will link to the visited webpage and obtain the visited webpage, and the response data' includes status lines, entity headers, and entity text. The status line analysis module analyzes the status line of the interviewed web page, and confirms that the response data is received. The β entity header analysis module analyzes the physical header of the interviewed web page, and determines the character set used by the interviewed web page. In the case that the current browser cannot support it, it is up to the user to decide whether to perform the subsequent download operation. -Although the present invention has been disclosed in the preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can do modifications and retouching without departing from the spirit and scope of the present invention. Therefore, the present invention Scope of protection

Page 12 ^ 4837 V. Description of Invention (ίο) Subject to the scope of the attached patent application

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Claims (1)

44837 VI. Scope of patent application 1. A method for automatically filtering web pages, including: providing a browser; using the browser to link to an interviewed webpage to obtain response data of the interviewed webpage; analyzing the interviewed data The response data of the webpage, so as to determine the character set used by the interviewed webpage; and decide whether to continue the download action based on the character set used by the interviewed webpage. 2. As described in item 1 of the scope of patent application, the webpage browsing method can be automatically filtered, wherein the response data of the interviewed webpage includes a status line, an entity header, and an entity body. 3. The browsing method for automatically filtering webpages as described in item 2 of the scope of patent application, wherein the steps of analyzing the response data of the interviewed webpage to determine the character set used by the interviewed webpage include: The status line confirms the receipt of the response data; and analyzes the entity header and entity body of the interviewed web page to determine the character set used by the interviewed web page. 4. The method for automatically filtering webpage browsing as described in item 3 of the scope of patent application, wherein the step of analyzing the status line of the visited webpage to confirm receipt of the response data includes: determining whether a response has been obtained for the visited webpage The status line of the data; obtaining the first three characters of the status line; converting the first three characters of the status line into a status code; and Page 14 448377 The status code is compared with a predetermined value to confirm the reception of the response data. . 5. The browser capable of automatically filtering the webpage as described in item 4 of the scope of the patent application, wherein the status code is obtained by converting the first three character sets of the status line into decimal digits. 6. The browser that can automatically filter the webpage as described in item 4 of the scope of patent application, wherein the predetermined value is 2000. 7. As described in item 3 of the scope of the patent application, a browser that can automatically filter the webpage 'where' analyzes the physical header and the body text of the interviewed webpage to determine the character set used by the interviewed webpage. The steps include: Obtain the entity header of the response data of the interviewed webpage; Obtain the entity header; determine whether the entity header has a message to represent the character set used by the interviewed webpage; analyze whether the entity body of the response data of the interviewed webpage is in the body text Have a message to indicate the character set used by the interviewed webpage; determine whether the character set used by the interviewed webpage is supported by the current browser; and the character set used on the interviewed webpage is not supported by the current browser When the character set is generated, a query dialog box is returned to the user to choose whether to continue downloading the web page. 8. A Liu browser capable of automatically filtering webpages, which is characterized by:-a main control module, linking an interviewed webpage to obtain response data of the interviewed webpage, including a status line ', a physical header and an entity body; Page 15 Paste 37¾ 6. Scope of patent application-a status line analysis module that analyzes the status line of the interviewed webpage to confirm receipt of the response data; and a physical head analysis module that analyzes the physical header of the interviewed webpage to Interpret the character set used for the interviewed web page. 9. The browser capable of automatically filtering web pages as described in item 8 of the scope of patent application, wherein the execution steps of the main control module include: obtaining the IP address of the visited web page, and serving the web server of the visited web page The server sends a link request; determines whether the connection with the web server of the visited webpage is successful; makes a download request to the web server of the visited webpage; and obtains the response data of the visited webpage, including the status line, the The entity header and the entity body. I 0. The browser capable of automatically filtering the webpage as described in item 8 of the scope of patent application, wherein the execution steps of the status line analysis module include: determining whether the status line of the response data of the visited webpage has been obtained; The first three characters of the status line; converting the first three characters of the status line into a status code; and comparing the status code with a predetermined value to confirm receipt of the response data. II. The browser capable of automatically filtering the webpage as described in Item 10 of the scope of patent application, wherein the status code is obtained by converting the first three character sets of the status line into decimal digits. 12. The browser capable of automatically filtering web pages as described in item 10 of the scope of patent application, wherein the predetermined value is 200. Page 16 4483 1 7 6. Scope of patent application 1 3. The browser that can automatically filter web pages as described in item 8 of the scope of patent application, wherein the execution steps of the entity head analysis module include: judging whether the license has been obtained The physical header of the response data of the visited web page; obtaining the physical header; determining whether the physical header has a message indicating the character set used by the visited web page; determining whether the character set used by the visited web page is supported by the current browser ; And when the character set used by the interviewed webpage is a character set that cannot be supported by the current browser, a query dialog box is generated to return the option of whether to continue downloading the webpage to the user. Page 17