Re: [Boost-users] how to add comments to boost property tree while export in xml file

16 May 2018

      Hi,

i have realized the snapshot is not visible in below mail.
*my objective* to set comments for each parameter name like ,
clock_masters and all given below.
Please find the code snippet.

                       while (curr1 != end1)  // iterate second level map
                        {
                            // LOG("Section name [%s] : Parameter name and
value are [%s] -->
                            //
[%s]\n",curr->second.c_str(),curr1->first.c_str(),curr1->second.c_str());

                            ptParamVal.put("<xmlcomment>", "some comment");
                            ptParamVal.put((curr1->first).c_str(),
(curr1->second).c_str());

                            curr1++;
                        }
-----------------------------------------------------------------------------------------------------------------------------------
//xml file generated is given below.
-----------------------------------------------------------------------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>
<profibusunits>
  <pb-atpcu-r4>
    <!--some comment-->
    2
    0
    <host>192.168.2.10</host>
    2
    10045
    <name>atpcu.r4</name>
    <nidstm>254</nidstm>
    <port>0</port>
    <profibus>0</profibus>
    10045
    3
    RSPLServerEth_5_2_3
  </pb-atpcu-r4>
  <pb-jru>
    <!--some comment-->
    3
    0
    <host>localhost</host>
    3
    0
    <name>jru</name>
    <nidstm>254</nidstm>
    <port>5502</port>
    <profibus>0</profibus>
    0
    3
    RSPLServerEth_5_2_3
  </pb-jru>

Thanks & Regards
Neelam
+91-9871541627

On Mon, May 14, 2018 at 10:37 AM, neelam baliyan 
wrote:
...
Hi Daniel,
Thanks for you reply.
i tried to apply <xmlcomment> in my section of code, but it is only
putting comment inside a section.
i need to give comments on each and every node .
Please see the snapshot code and generated xml file, its only setting xml
comments of each section like section pb-atpcu-r4, but  i need to set xml
comments for each node.
*my objective* to set comments for , clock_masters and all
given below.
Please see if you can help me in that.
Thanks & Regards
Neelam
+91-9871541627
On Thu, May 3, 2018 at 6:16 AM, Daniel Anderson  wrote:
...
according to the doc:
https://www.boost.org/doc/libs/1_67_0/doc/html/property_tree
/parsers.html#property_tree.parsers.xml_parser
*XML comments are stored in nodes named <xmlcomment>, unless comment
ignoring is enabled via the flags.*
 so you probably have to do something like:
Pt.put<String> ("Root.<xmlcomment>", "some comment");
I think that is the way to add comments.
2018-05-01 0:47 GMT-04:00 neelam baliyan via Boost-users <
boost-users@lists.boost.org>:
...
Hi All,
I have read and store my complete configuration file in to boost
property tree, now I want to export it to a xml file which i can do via
function write_xml().
I wanted to add some comments inside my exported xml file.
Please help me to know, how to add comments inside xml file while
exporting data from boost property tree.
Thanks & Regards
Neelam
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Daniel
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 Albert Camus