Subject: [xsl] Selecting a particular node of an XML generated from Excel From: Karlmarx R <karlmarxr@xxxxxxxxx> Date: Wed, 9 Nov 2011 04:49:17 +0800 (SGT) |
Hello, I have a requirement where I am not sure of the best possible solution. The XML is generated from Excel. The problem is with missing rows which makes it difficult to select a particular node. Better I explain using this sample XML: [Pls ignore any case mismatch or spell mistakes] <root> <Row> <Cell><Data>u1</Data></Cell> <Cell><Data>13.7 billion years ago</Data></Cell> <Cell><Data>Hydrogen and helium nuclei form in the first three minutes...</Data></Cell> <Cell ss:Index="107"><Data>107</Data></Cell> <Cell><Data>108</Data></Cell> <Cell><Data>109</Data></Cell> <Cell ss:Index="115"><Data>115</Data></Cell> <Cell><Data>116</Data></Cell> <Cell><Data>YES</Data></Cell> <!-- this is 117th row. But position() != 117 --> <Cell><Data>118</Data></Cell> </Row> <Row> <Cell><Data>u2</Data></Cell> <Cell><Data>2 million yearsgo</Data></Cell> <Cell><Data>blahlah</Data></Cell> <Cell><Data>1</Data></Cell> <Cell><Data>2</Data></Cell> <!-- SO MANY ROWS HERE --> <Cell><Data>YES</Data></Cell> <!-- THIS IS 117th row (Cell) i.e. position() = 117 --> <!--GAIN SO MANY ROWS HERE --> <Cell><Data>199</Data></Cell> <Cell><Data>200</Data></Cell> <!--ASSUME THIS IS 200TH ROW --> </Row> <Row> <Cell><Data>u3</Data></Cell> <Cell><Data>20th century</Data></Cell> <Cell><Data>blah blah</Data></Cell> <Cell ss:Index="117"><Data>NO</Data></Cell> <!-- THIS IS 117th row But position() != 117 --> <Cell ss:Index="199"><Data>119</Data></Cell> </Row> </root> The excel to xml convertion results in empty excel columns getting stripped out in the resulting <Cell>. And so, the number of <Cell>'s vary for each <Row>. Now, if I want to select a particular <Cell>, say 117th <Cell>, I need to check any @ss:Index exist and if so, count() the number of the preceding-sibling's + the preceding @ss:Index value. So, for 117th Cell value, (A) in Row 1, 2nd <Cell> of @ss:Indiex is 117th (B) in Row 2, position() = 117 is the required one (C) in Row 3, @ss:Indiex matching 117 (D) if none matching found, ignore In my requirement, I need to select the N-th <Cell> value and check whether it is 'yes' or 'no' and then process. I am trying approach something like this (incomplete) <xsl:for-each select="Cell"> ... <xsl:variable name="last-index " select="preceding-sibling::Cell[@ss:Index][1]"/> <!-- the ABOVE giver the last <Cell>'s ss:Index value. Now I need to do something like count(preceding-sibling::Cell[@ss:Index][1]) - this may be wrong, but here is what I having trouble and need suggestions and best approach to solve this, to select N-th <Cell>, where N is known and can be 1 to X (=max possible value). Thanks in advance!. Regards, karl
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