CN103617297A - Method for dynamically supporting XML multiple languages based on XPath - Google Patents

Method for dynamically supporting XML multiple languages based on XPath Download PDF

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CN103617297A
CN103617297A CN201310701432.0A CN201310701432A CN103617297A CN 103617297 A CN103617297 A CN 103617297A CN 201310701432 A CN201310701432 A CN 201310701432A CN 103617297 A CN103617297 A CN 103617297A
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刘艳飞
黄纯
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Yonyou Software Co Ltd
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Abstract

The invention relates to a method for dynamically supporting XML multiple languages based on an XPath. Resource files of an existing XML document are added, an existing XML file does not need to be modified, and accordingly the effect of multiple languages is achieved by dynamically loading an XML resource in the process of running. It is proved that that by means of the scheme, the multi-language supporting efficiency of the XML document is greatly improved.

Description

A kind ofly based on XPath, dynamically support the method that XML is multilingual
Technical field
The present invention relates to a kind of multilingual method of XML of support, refer to especially and a kind ofly based on XPath, dynamically support the method that XML is multilingual, be applicable in software development activity dynamically, fast, the multilingual support that realizes XML of increment, and do not need to change any original XML.
Background technology
XML (full name Extensible Markup Language), it is a kind of a kind of markup language designing for internet specially, and due to its ability that there are the various information of effectively expressing, data and make various applicating cooperation work, already become the de facto standard of data issue and exchanges data, therefore, XML had been developed and was applying widely in recent years.
Multilingual support refers to and in product, can show different language and realize the dynamic switching between different language, and XML is usually used in Custom Interface demonstration or operation flow in product.
XPath is a language of searching information in XML document.XPath, for navigating by element and attribute in XML document, locates the node elements in any XML, comprises XML node, XML attribute etc.
In order to accomplish the demand of flexible customization user interface, a lot of products adopt the mode of XML document to come definition of user's interface or flow process, so just relate to the difficulty of the multi-lingual opinion on public affairs of XML, especially for:
1. in product, have a large amount of XML, but each XML document not very large, for example, within 50KB;
Product commercialization for many years, accumulated the client of some, the change influence surface of product is larger;
3. require at short notice, realize fast the multilingual support of product XML.
In prior art, for XML, multilingual support mainly contains following two kinds of methods:
The first: the element of the multi-lingual opinion on public affairs of needs is used specific form or function to replace in XML, the resource number comprising in the middle of utilization, goes to search in database or in resource file the value after translation.The method has increased the workload of revising XML document, has also lost the readability of original XML document simultaneously, requires the default value of all resources to realize all standing simultaneously, otherwise can cause the abnormal of interface text.
2, utilize Schema file, by the multi-lingual opinion on public affairs of XML document.This method requires developer to be familiar with Schema grammer, makes later stage XML document synchronize with Schema difficult simultaneously.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the present invention proposes a kind of based on the multilingual method of the dynamic support of XPath, by increasing the resource file of existing XML document, without changing existing XML file, when operation, dynamic load XML resource reaches multilingual effect in this invention.By a plurality of project implementations, adopt this scheme, greatly promoted the multilingual support efficiency of XML document.
For achieving the above object, the technical solution used in the present invention is as follows:
Step 101, extracts multi-language resource, and whether judgement extraction multi-language resource is successful; If judgment result is that of step 101 do not extracted successfully, finish all flow processs; If judgment result is that of step 101 extracted successfully, perform step 102;
Step 102, disposes multi-language resource;
Step 103, application multi-language resource;
Finish.
Preferably, the extraction multi-language resource in step 101 further comprises,
Step 201, loads extracting rule;
Step 202, loads XML file to be extracted.
Step 203, take/as separating XPath Universal type, and mate XML node; If the match is successful, XPath expression formula various piece is stored respectively, for follow-up 204 steps; If it fails to match, finish current extraction flow process;
Step 204, the various piece of coupling XPath Universal type;
In step 203, Universal type is become a plurality of parts, and is mated by/symbol segmentation; If mated, be back to step 203; If mated, carry out step 205;
Step 205, forms XPath expression formula storage.
Preferably, the deployment multi-language resource in step 102 further comprises, by multi-language resource dispose to database, a place or many places in .resx file even in file, and the different resource of different language can uniquely be located.
Preferably, the application fetches multi-language resource in step 103 further comprises,
Step 401, loads XML document;
Step 402, looks into and sees if there is relevant XML resource; If judgment result is that and there is no relevant XML resource, finish current all flow processs, finish; If judged result is to have relevant XML resource, continue execution step 403;
Step 403, revising XML document is multilingual XML document; The XML resource items set obtaining in traversal step 402, travels through all resource items set that obtain, and the XML nodal value of XPath expression formula appointment is replaced with to the multi-language resource value in XML resource.
Preferably, the loading extracting rule in described step 201 is specially and loads XPath Universal type.
Preferably, the XML file to be extracted of the loading in described step 202 is specially XML document is loaded in internal memory.
Preferably, the various piece of the coupling XPath Universal type in described step 204 is specially, during coupling, travel through successively each part, if when forward part do not have % or _ symbol, just form new XPath, otherwise utilize the XPath expression formula traversal XML document of current formation, for the node searching, use node name to replace asterisk wildcard, then XPath expression formula is added to XPath dictionary; According to said process, mate various piece successively until traversal has been mated all parts, thereby in XPath dictionary, stored the XPath expression formula that all extractions complete; By each dictionary packet memory.
Preferably, described step 401, loads XML document and further comprises,
Before using XML document, load XML document to internal memory, form the DOM object of XML.
Preferably, described step 403, revising XML document is that multilingual XML document further comprises,
According to language environment, obtain XML resource corresponding to XML document.
Preferably, when operation, dynamic load XML resource realizes multilingual.
Use beneficial effect of the present invention to be: dynamic, by safeguarding XML resource, can dynamically change Product Interface and show; Rapidity, in conjunction with the XPath extraction base apparatus of self, the resource file of all XML document of generation that can be very fast; Easily dispose, the deployment of this resource file is also very simple, only need to be put under correct catalogue; Increment type, without the original any XML document of change, just adds corresponding resource; Easy care.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.
Accompanying drawing explanation
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 shows the process flow diagram of extraction multi-language resource according to an embodiment of the invention;
Fig. 2 shows XPath expression formula according to an embodiment of the invention and extracts multi-language resource process flow diagram;
Fig. 3 shows resource file according to an embodiment of the invention and disposes schematic diagram;
Fig. 4 shows multi-language resource applicating flow chart according to an embodiment of the invention.
Embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to what propose according to the present invention, based on XPath, dynamically support its embodiment of the multilingual method of XML, feature and effect thereof, be described in detail as follows.In following explanation, the not necessarily same embodiment that different " embodiment " or " embodiment " refer to.In addition, special characteristic, structure or the feature in one or more embodiment can be combined by any suitable form.
Basic thought of the present invention is the XPath expression formula location node element utilizing in XML resource, then the value property value in this resource is replaced to the XML nodal value of XPath appointment, realizes the effect of multilingual switching.
According to a specific embodiment of the present invention, a kind of multi-language resource extracting method is provided, by resolving the Universal type of XPath expression formula and in conjunction with XML file to be extracted, extracting existing element value in XPath expression formula and XML file, this value is default value.By this multi-language resource extracting method, be used for automatically extracting and dispose XML resource entries, thereby realize the technique effect of rapid extraction XPath.
According to a specific embodiment of the present invention ,Yi bookstore, describe as an example.Suppose that certain bookstore includes three books, be respectively < < Harry Potter > >, < < and show cooking dish > > and the < < XML introduction > > that entertains guests at a banquet fully.If the details with these three books of formal description of XML document, should not only comprise name information, also should further comprise the information such as classification, author, Publication Year and price.In XML document, each composition is a node, and whole document is a document node, and each XML label is a node element, and the text being included in element is text node, and each XML attribute is attribute node.If describe bookstore's information in the mode of XML document, in known this XML document, should at least comprise as lower node:
Bookstore (Bookstore) node: the document node of whole XML document;
Books (Book) node: i.e. books node element; Each books node element, all represents a book, comprises altogether three Book node elements in this embodiment, has represented the information of three books;
Classification (Category) node: i.e. the attribute node of book category, the text of this node has represented the text node of classification;
Title (Title) node: represent the node element of books title, the text of this node has represented the text node of title;
Author (Author) node: represent books author's node element, the text of this node has represented author's text node;
Time (Year) node: represent the node element in book publishing time, the text of this node has represented the text node of Publication Year;
Price (Price) node: represent the node element of books price, the text of this node has represented the text node of price.
Topology example concrete between node is as follows:
Figure BDA0000441008590000041
Figure BDA0000441008590000051
The Universal type of XPath is the wildcard formula on XPath expression formula basis, utilizes symbol in conjunction with XPath expression formula, to carry out the extraction of XPath expression formula.If need to extract the classification Category attribute of all child nodes under the BookStore of bookstore root node, can be, but not limited to adopt the Universal type of for example/BookStore/%/@Category to carry out the extraction of XPath expression formula.If need to extract the textual value of the books title title child node of all different classes of books Book nodes under the BookStore of bookstore root node, can be, but not limited to adopt for example/BookStore/Book[@Category=" % "] Universal type of/title carries out the extraction of XPath expression formula.The extraction of Universal type can also mate to realize by part, for example need to extract all categories title under the BookStore of bookstore root node and be the textual value with all child nodes under the Book node of two words of " lacking " beginning, with but be not limited to adopt for example/BookStore/Book[@Category=" few _ "] Universal type of/% carries out the extraction of XPath expression formula.
Fig. 1 shows the process flow diagram that extracts multi-language resource.Start, step 101, extracts multi-language resource, and whether judgement extraction multi-language resource is successful; If judgment result is that of step 101 do not extracted successfully, finish all flow processs; If judgment result is that of step 101 extracted successfully, perform step 102, dispose multi-language resource; Step 103, application multi-language resource; Finish.
According to a specific embodiment of the present invention, the idiographic flow of the extraction multi-language resource in step 101 can be as shown in Figure 2.The XPath expression formula that Fig. 2 shows is extracted multi-language resource process flow diagram.Concrete steps are as follows:
Start, step 201, loads extracting rule, loads XPath Universal type.Due to the difference of XML structure, the storage of can classifying of XPath Universal type only need to be loaded and the relevant Universal type of XML file to be extracted like this when loading XPath Universal type, has reduced unnecessary leaching process, has improved extraction efficiency.Classification storage can be used file name or tables of data to distinguish, for example:
All XML are stored under A and two files of B, and the XML structure of storing under each file is consistent.Correspondingly, XPath Universal type also can be stored under two file XPath_A and XPath_B.Under extracting A file, just need not reload the XPath Universal type under XPath_B during XML resource like this, improve the efficiency of extraction.
Step 202, loads XML file to be extracted.In matching process, need to guarantee that XML document is in internal memory, therefore need in advance the XML document of resource to be extracted to be loaded in internal memory.
Step 203, take/as separating XPath Universal type, and mate XML node.As given in previous examples, the concrete form of the Universal type of XPath can have such as/BookStore/%/@Category, / BookStore/Book[@Category=" % "]/title and/BookStore/Book[@Category=" few _ "] form of/%, visible is to separate wherein each part with/symbol in XPath Universal type, and in each part, likely contain % or _ wait asterisk wildcard.If the match is successful, XPath expression formula various piece can be stored respectively, for follow-up 204 steps.If it fails to match, finish current extraction flow process.
Step 204, the various piece of coupling XPath Universal type.In step 203, Universal type becomes a plurality of parts by/symbol segmentation.During coupling, travel through successively each part, if when forward part do not have % or _ symbol, just form new XPath, otherwise utilize the XPath expression formula traversal XML document of current formation, for the node searching, use node name to replace asterisk wildcard, then XPath expression formula is added to XPath dictionary.According to said process, mate various piece successively until traversal has been mated all parts, thereby in XPath dictionary, stored the XPath expression formula that all extractions complete.By each dictionary packet memory.If mated, be back to step 203; If mated, carry out step 205.
Universal type/BookStore/%/@Category of usining describes as example.During coupling, first this Universal type is divided into three parts, is respectively the BookStore of bookstore, % and@Category.Start to travel through various piece, find the BookStore of bookstore node, second portion is %, so take/BookStore continues to travel through and revise XML as XPath, the child node title of all nodes that traverse is replaced to %, and tri-nodes of formation/BookStore/book add in dictionary.While traveling through to@Category, this part does not have asterisk wildcard directly this nodename to be added successively to all expression formulas in XPath dictionary.Last formation/BookStore/book/@Category expression formula, has represented the item name of three books.
Step 205, forms XPath expression formula storage.
Finish current extraction flow process.
According to a specific embodiment of the present invention, multi-language resource at least needs two contents: XPath expression formula and resource content value, facilitate us also to need to introduce title in order to link up, for this resource of unique location in addition.For every XPath expression formula extracting in 204 steps, introduce successively title and store with XML file to be extracted category classification by name.
According to a specific embodiment of the present invention, deployment multi-language resource in step 102 further comprises, by multi-language resource dispose to database, a place or many places in .resx file even in file, but need to guarantee the different resource of different language uniquely to locate.For example, while using file deploy resources to dispose, XML resource file title is identical with XML document title, but can have different suffix names.As shown in Figure 3, can be placed in the sub-directory of XML document place catalogue by this resource file, the title of sub-directory is distinguished language, and for example traditional font, Taiwan Resource TOC is zh-TW, and English Resource TOC is en-US etc.
In sum, multi-language resource abstraction function unit can load the XPath Universal type of setting one by one, and form final XPath expression formula in conjunction with XML to be extracted, this functional unit is with XPath Universal type foundation, each node in analyzing XML, for the node that meets XPath Universal type, will store as XPath expression formula, and resource value will be automatically converted to the resource value of corresponding language according to the code of the display language arranging.
According to a specific embodiment of the present invention, input interface is for defeated: the information such as XML document, locale language code and XML resource deployment mode.Wherein XML document refers to XML document object, represents existing XML document; Locale language code is used for distinguishing regional language environment; The deployment way that XML resource deployment mode is used to indicate XML resource is that file is disposed or database deployment way.Output interface is for exporting the XML document after the multilingual conversion of application.
According to a specific embodiment of the present invention, the idiographic flow of the application fetches multi-language resource in step 103 can be as shown in Figure 4.Fig. 4 shows multi-language resource applicating flow chart.Concrete steps are as follows:
Step 401, loads XML document.Before using XML document, need to load XML document to internal memory, form the DOM object of XML.
Step 402, looks into and sees if there is relevant XML resource.Because XML resource is that mode with XML filename stores classifiedly, therefore can whether there is corresponding XML resource by fast finding.If judgment result is that and there is no relevant XML resource, finish current all flow processs, finish; If judged result is to have relevant XML resource, continue execution step 403.
Step 403, revising XML document is multilingual XML document.According to language environment, obtain XML resource corresponding to XML document.The XML resource items set obtaining in traversal step 402, travels through all resource items set that obtain, and the XML nodal value of XPath expression formula appointment is replaced with to the multi-language resource value in XML resource.If XPath specified node does not exist, ignore it.Owing to having used XPath expression formula, also supported an XML resource of the common use of a plurality of elements simultaneously.
By the repeatedly conversion of actual items, in concrete application process, owing to having used the mode of XML Dom to load XML document, therefore require the XML document itself can not be excessive, had better not surpass 200KB size.
According to a specific embodiment of the present invention, in product X, there is the function of merchandise query, user is after input merchandise query condition, and product can represent qualified commodity list.Because the row of commodity list need to customize according to client's demand, in product X, there is an XML user to deposit the setting of each row of commodity list.This XML root node arranges the title of commodity list window, has child node for defining the set of row under root node, and this child node has the attribute node of oneself whether to allow sequence for commodity list is set.The node element that has comprised the definition of each row under child node, has how many row to have the column element node of similar number in commodity list.The node element of each row has comprised attribute node, for defining title, title, type, width of row etc.
Because the title of current definition commodity list forms and the title of each row of commodity list are all that simplified form of Chinese Character shows, due to the expansion of market abroad, the title of the title of commodity list forms and each row of commodity list need to be carried out to multilingual processing.Realize multilingually, all Caption nodes of this XML document all need to be processed.And the existing such XML of product has up to a hundred.
As follows in the concrete steps that realize multilingual conversion:
Step 501, arranges XPath Universal type.Known by analyzing, the XML document of forms list definition, only has the title of the attribute node of root node definition commodity list title and the row of definition commodity list need to carry out multilingual processing, and two XPath Universal types can mate required XPath expression formula.
Step 503, extracts XML resource file.Utilization arranges XPath Universal type and has extracted the XML resource of XPath.Because Universal type can be realized batch operation, thus the disposable Resource Access work that just can complete the XML document of a collection of same structure.
Step 504, disposes XML resource file.After the Resource Access of XML document completes, XML resource file need to be stored.By different deployment way (file deployment, database are disposed etc.) is set, XML resource is stored.This application example is to use file deployment way, and XML resource file is stored under the sub-directory with the XML document of its correspondence, and the name of this sub-directory is called the code of language, for example: zh-TW represents traditional font, Taiwan.XML document name is above called B.xml, and the XML resource file extracting is B.resource.xml.Deployment devices can be stored in this document in the sub-directory of zh-TW.
Revise existing product, make the XML can the complete XML resource file of application fetches, at existing product, load after XML object, call interface of the present invention, can realize multilingual.For this example, deployment way is that file is disposed and demonstration English, only need to import the DOM object having loaded into, en-US choice of language and file deployment way.
What application the present invention proposed dynamically supports based on XPath the method that XML is multilingual, can support dynamically, fast, increment realize multi-lingual opinion on public affairs, thereby obtain a series of benefit:
1. because the present invention need not revise existing XML document, can reduce greatly the problem of bringing because revise XML document.Do not affect the readability of developer to XML document simultaneously yet.
2. locating resource position fast, owing to there being XPath expression formula in resource file, developer need not see XML document, can know this resource present position, can revise rapidly interface text.
3. do not affect the custom that existing developer writes XML, developer still adds according to original custom or revises XML node, just utilizes where necessary extraction resource devices to change corresponding XML resource.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, in the situation that do not depart from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but within all will falling into protection scope of the present invention.

Claims (10)

1. based on XPath, dynamically support the method that XML is multilingual, it is characterized in that:
Step 101, extracts multi-language resource, and whether judgement extraction multi-language resource is successful; If judgment result is that of step 101 do not extracted successfully, finish all flow processs; If judgment result is that of step 101 extracted successfully, perform step 102;
Step 102, disposes multi-language resource;
Step 103, application multi-language resource;
Finish.
2. a method of claim 1, is characterized in that:
Extraction multi-language resource in step 101 further comprises,
Step 201, loads extracting rule;
Step 202, loads XML file to be extracted;
Step 203, take/as separating XPath Universal type, and mate XML node; If the match is successful, XPath expression formula various piece is stored respectively, for follow-up 204 steps; If it fails to match, finish current extraction flow process;
Step 204, the various piece of coupling XPath Universal type;
In step 203, Universal type is become a plurality of parts, and is mated by/symbol segmentation; If mated, be back to step 203; If mated, carry out step 205;
Step 205, forms XPath expression formula storage.
3. a method as claimed in claim 1 or 2, is characterized in that:
Deployment multi-language resource in step 102 further comprises, by multi-language resource dispose to database, a place or many places in .resx file even in file, and the different resource of different language can uniquely be located.
4. a method as claimed in claim 3, is characterized in that:
Application fetches multi-language resource in step 103 further comprises,
Step 401, loads XML document;
Step 402, looks into and sees if there is relevant XML resource; If judgment result is that and there is no relevant XML resource, finish current all flow processs, finish; If judged result is to have relevant XML resource, continue execution step 403;
Step 403, revising XML document is multilingual XML document; The XML resource items set obtaining in traversal step 402, travels through all resource items set that obtain, and the XML nodal value of XPath expression formula appointment is replaced with to the multi-language resource value in XML resource.
5. a method as claimed in claim 4, is characterized in that:
Loading extracting rule in described step 201 is specially and loads XPath Universal type.
6. a method as claimed in claim 5, is characterized in that:
Loading XML file to be extracted in described step 202 is specially XML document is loaded in internal memory.
7. a method as claimed in claim 6, is characterized in that:
The various piece of the coupling XPath Universal type in described step 204 is specially, during coupling, travel through successively each part, if when forward part do not have % or _ symbol, just form new XPath, otherwise utilize the XPath expression formula traversal XML document of current formation, for the node searching, use node name to replace asterisk wildcard, then XPath expression formula is added to XPath dictionary; According to said process, mate various piece successively until traversal has been mated all parts, thereby in XPath dictionary, stored the XPath expression formula that all extractions complete; By each dictionary packet memory.
8. a method as claimed in claim 7, is characterized in that:
Described step 401, loads XML document and further comprises,
Before using XML document, load XML document to internal memory, form the DOM object of XML.
9. a method as claimed in claim 8, is characterized in that:
Described step 403, revising XML document is that multilingual XML document further comprises,
According to language environment, obtain XML resource corresponding to XML document.
10. a method as claimed in claim 9, is characterized in that:
When operation, dynamic load XML resource realizes multilingual.
CN201310701432.0A 2013-12-18 2013-12-18 Method for dynamically supporting XML multiple languages based on XPath Pending CN103617297A (en)

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